let f, k, m, r, s, t, u be Nat; :: thesis: for W, M, U, S, T, Q being Integer st f > 0 & k > 0 & m > 0 & u > 0 & (((M ^2) - 1) * (S ^2)) + 1 is square & ((((M * U) ^2) - 1) * (T ^2)) + 1 is square & (((W ^2) * (u ^2)) - ((((W ^2) - 1) * S) * u)) - 1, 0 are_congruent_mod Q & (((4 * (f ^2)) - 1) * ((r - (((m * S) * T) * U)) ^2)) + (((4 * (u ^2)) * (S ^2)) * (T ^2)) < ((((8 * f) * u) * S) * T) * (r - (((m * S) * T) * U)) & W = ((100 * f) * k) * (k + 1) & U = ((100 * (u |^ 3)) * (W |^ 3)) + 1 & M = (((100 * m) * U) * W) + 1 & S = (((M - 1) * s) + k) + 1 & T = (((((M * U) - 1) * t) + W) - k) + 1 & Q = (((2 * M) * W) - (W ^2)) - 1 holds
( M * (U + 1) is non trivial Nat & W is Nat & ( for mu being non trivial Nat
for w being Nat st mu = M * (U + 1) & w = W & (r + W) + 1 = Py (mu,(w + 1)) holds
f = k ! ) )

let W, M, U, S, T, Q be Integer; :: thesis: ( f > 0 & k > 0 & m > 0 & u > 0 & (((M ^2) - 1) * (S ^2)) + 1 is square & ((((M * U) ^2) - 1) * (T ^2)) + 1 is square & (((W ^2) * (u ^2)) - ((((W ^2) - 1) * S) * u)) - 1, 0 are_congruent_mod Q & (((4 * (f ^2)) - 1) * ((r - (((m * S) * T) * U)) ^2)) + (((4 * (u ^2)) * (S ^2)) * (T ^2)) < ((((8 * f) * u) * S) * T) * (r - (((m * S) * T) * U)) & W = ((100 * f) * k) * (k + 1) & U = ((100 * (u |^ 3)) * (W |^ 3)) + 1 & M = (((100 * m) * U) * W) + 1 & S = (((M - 1) * s) + k) + 1 & T = (((((M * U) - 1) * t) + W) - k) + 1 & Q = (((2 * M) * W) - (W ^2)) - 1 implies ( M * (U + 1) is non trivial Nat & W is Nat & ( for mu being non trivial Nat
for w being Nat st mu = M * (U + 1) & w = W & (r + W) + 1 = Py (mu,(w + 1)) holds
f = k ! ) ) )

assume that
A1: ( f > 0 & k > 0 & m > 0 & u > 0 ) and
A2: (((M ^2) - 1) * (S ^2)) + 1 is square and
A3: ((((M * U) ^2) - 1) * (T ^2)) + 1 is square and
A4: (((W ^2) * (u ^2)) - ((((W ^2) - 1) * S) * u)) - 1, 0 are_congruent_mod Q and
A5: (((4 * (f ^2)) - 1) * ((r - (((m * S) * T) * U)) ^2)) + (((4 * (u ^2)) * (S ^2)) * (T ^2)) < ((((8 * f) * u) * S) * T) * (r - (((m * S) * T) * U)) and
A6: W = ((100 * f) * k) * (k + 1) and
A7: U = ((100 * (u |^ 3)) * (W |^ 3)) + 1 and
A8: M = (((100 * m) * U) * W) + 1 and
A9: S = (((M - 1) * s) + k) + 1 and
A10: T = (((((M * U) - 1) * t) + W) - k) + 1 and
A11: Q = (((2 * M) * W) - (W ^2)) - 1 ; :: thesis: ( M * (U + 1) is non trivial Nat & W is Nat & ( for mu being non trivial Nat
for w being Nat st mu = M * (U + 1) & w = W & (r + W) + 1 = Py (mu,(w + 1)) holds
f = k ! ) )

set MM = M;
set UU = U;
set WW = W;
reconsider W = W, U = U, M = M, S = S as Element of NAT by A6, A7, A8, A9, INT_1:3;
A12: ((100 * f) * k) * (k + 1) >= 1 * (k + 1) by A1, NAT_1:14, XREAL_1:64;
A13: W > k by A12, A6, NAT_1:13;
then A14: W - k > 0 by XREAL_1:50;
then A15: (((M * U) - 1) * t) + (W - k) >= 0 + 0 by A7, A8;
then reconsider T = T as Element of NAT by A10, INT_1:3;
reconsider Wk = W - k as Nat by A13, NAT_1:21;
A16: (M * W) - 1 >= 0 by A1, A6, A7, A8;
((100 * m) * U) * W >= 1 * W by XREAL_1:64, A1, A7, NAT_1:14;
then A17: M > W by A8, NAT_1:13;
then ( M * W >= W * W & W * W = W ^2 ) by XREAL_1:64, SQUARE_1:def 1;
then (M * W) + (M * W) >= (M * W) + (W ^2) by XREAL_1:7;
then ((M * W) + (M * W)) - ((W ^2) + 1) >= ((M * W) + (W ^2)) - ((W ^2) + 1) by XREAL_1:9;
then reconsider Q = Q as Element of NAT by A16, A11, INT_1:3;
A18: U > 1 by A7, NAT_1:13, A1, A6, NAT_1:14;
A19: ( M >= 1 & U + 1 > 1 ) by A6, A7, A8, NAT_1:14, NAT_1:13;
then ( M * (U + 1) > 1 * 1 & W = W ) by XREAL_1:97;
hence ( M * (U + 1) is non trivial Nat & W is Nat ) by NEWTON03:def 1; :: thesis: for mu being non trivial Nat
for w being Nat st mu = M * (U + 1) & w = W & (r + W) + 1 = Py (mu,(w + 1)) holds
f = k !

M * U > 1 * 1 by A19, A18, XREAL_1:97;
then reconsider MU = M * U as non trivial Nat by NEWTON03:def 1;
W >= 1 by A1, A6, NAT_1:14;
then M > 1 by A17, XXREAL_0:2;
then reconsider M = M as non trivial Nat by NEWTON03:def 1;
reconsider M1 = M - 1 as Nat ;
let mu be non trivial Nat; :: thesis: for w being Nat st mu = M * (U + 1) & w = W & (r + W) + 1 = Py (mu,(w + 1)) holds
f = k !

let w be Nat; :: thesis: ( mu = M * (U + 1) & w = W & (r + W) + 1 = Py (mu,(w + 1)) implies f = k ! )
assume A20: ( mu = M * (U + 1) & w = W & (r + W) + 1 = Py (mu,(w + 1)) ) ; :: thesis: f = k !
set R = r - (((m * S) * T) * U);
A21: ( u ^2 = u * u & S ^2 = S * S & (r - (((m * S) * T) * U)) ^2 = (r - (((m * S) * T) * U)) * (r - (((m * S) * T) * U)) & T ^2 = T * T & f ^2 = f * f ) by SQUARE_1:def 1;
0 < ((((8 * f) * u) * S) * T) * (r - (((m * S) * T) * U)) by A1, A21, A5;
then A22: r - (((m * S) * T) * U) > 0 ;
((m * T) * U) * S >= S * 1 by XREAL_1:64, A1, A7, A15, A10, NAT_1:14;
then 0 < r - S by A22, XREAL_1:10;
then A23: S < r by XREAL_1:47;
((m * S) * U) * T >= T * 1 by XREAL_1:64, NAT_1:14, A1, A6, A7, A8, A9;
then 0 < r - T by A22, XREAL_1:10;
then A24: T < r by XREAL_1:47;
A25: ((u / ((r / (S * T)) - (m * U))) - f) * ((u / ((r / (S * T)) - (m * U))) - f) < 1 / 4
proof
((((4 * (f ^2)) * ((r - (((m * S) * T) * U)) ^2)) - ((r - (((m * S) * T) * U)) ^2)) + (((4 * (u ^2)) * (S ^2)) * (T ^2))) - (((((8 * f) * u) * S) * T) * (r - (((m * S) * T) * U))) < 0 by A5, XREAL_1:49;
then (((((4 * (f ^2)) * ((r - (((m * S) * T) * U)) ^2)) - ((r - (((m * S) * T) * U)) ^2)) + (((4 * (u ^2)) * (S ^2)) * (T ^2))) - (((((8 * f) * u) * S) * T) * (r - (((m * S) * T) * U)))) + ((r - (((m * S) * T) * U)) ^2) < 0 + ((r - (((m * S) * T) * U)) ^2) by XREAL_1:8;
then 4 * ((((u * S) * T) - (f * (r - (((m * S) * T) * U)))) * (((u * S) * T) - (f * (r - (((m * S) * T) * U))))) < ((r - (((m * S) * T) * U)) * (r - (((m * S) * T) * U))) * 1 by A21;
then A26: 1 / 4 > ((((u * S) * T) - (f * (r - (((m * S) * T) * U)))) * (((u * S) * T) - (f * (r - (((m * S) * T) * U))))) / ((r - (((m * S) * T) * U)) * (r - (((m * S) * T) * U))) by XREAL_1:106;
(((u * S) * T) - (f * (r - (((m * S) * T) * U)))) / (r - (((m * S) * T) * U)) = (((u * S) * T) / (r - (((m * S) * T) * U))) - ((f * (r - (((m * S) * T) * U))) / (r - (((m * S) * T) * U))) by XCMPLX_1:120
.= ((u * (S * T)) / (r - (((m * S) * T) * U))) - f by A22, XCMPLX_1:89
.= (u / ((r - (((m * S) * T) * U)) / (S * T))) - f by XCMPLX_1:77
.= (u / ((r / (S * T)) - (((m * U) * (S * T)) / (S * T)))) - f by XCMPLX_1:120
.= (u / ((r / (S * T)) - (m * U))) - f by XCMPLX_1:89, A8, A9, A15, A10 ;
hence ((u / ((r / (S * T)) - (m * U))) - f) * ((u / ((r / (S * T)) - (m * U))) - f) < 1 / 4 by A26, XCMPLX_1:76; :: thesis: verum
end;
A27: ( r < Py (M,M1) & r < Py (M,(MU - 1)) )
proof
A28: r + 0 < r + (W + 1) by XREAL_1:8;
A29: Py (mu,(w + 1)) <= (2 * (M * (U + 1))) |^ W by A20, HILB10_1:17;
U >= 1 + 1 by NAT_1:13, A18;
then reconsider u2 = U - 2 as Nat by NAT_1:21;
A30: ( (M |^ 2) * 1 <= (M |^ 2) * (M |^ u2) & (M |^ 2) * (M |^ u2) = M |^ (2 + u2) ) by NAT_1:14, NEWTON:8, XREAL_1:64;
A31: ( M |^ (1 + 1) = M * (M |^ 1) & M |^ 1 = M ) by NEWTON:6;
((100 * m) * W) * U >= 1 * U by XREAL_1:64, A1, A6, NAT_1:14;
then M > U by A8, NAT_1:13;
then M >= U + 1 by NAT_1:13;
then M * (U + 1) <= M * M by XREAL_1:64;
then ( 0 < M * (U + 1) & M * (U + 1) <= M |^ U ) by A30, A31, XXREAL_0:2;
then A32: 2 * (M * (U + 1)) <= 2 * (M |^ U) by XREAL_1:64;
U >= 1 by A6, A7, NAT_1:14;
then 2 * (M |^ U) <= (2 |^ U) * (M |^ U) by PREPOWER:12, XREAL_1:64;
then 2 * (M |^ U) <= (2 * M) |^ U by NEWTON:7;
then 2 * (M * (U + 1)) <= (2 * M) |^ U by A32, XXREAL_0:2;
then (2 * (M * (U + 1))) |^ W <= ((2 * M) |^ U) |^ W by PREPOWER:9;
then A33: (2 * (M * (U + 1))) |^ W <= (2 * M) |^ (U * W) by NEWTON:9;
((2 * M) |^ (U * W)) |^ 1 = (2 * M) |^ (U * W) ;
then A34: ((2 * M) |^ (U * W)) * ((2 * M) |^ (U * W)) = ((2 * M) |^ (U * W)) |^ (1 + 1) by NEWTON:6
.= (2 * M) |^ ((U * W) * 2) by NEWTON:9 ;
( U * W >= 1 & 2 * M >= 1 & M >= 1 ) by A1, A6, A7, NAT_1:14;
then ( (2 * M) |^ (U * W) >= 2 * M & 2 * M >= 2 * 1 ) by PREPOWER:12, XREAL_1:64;
then 1 * 2 <= (2 * M) |^ (U * W) by XXREAL_0:2;
then 1 <= ((2 * M) |^ (U * W)) / 2 by XREAL_1:77;
then ((2 * M) |^ (U * W)) * 1 <= ((2 * M) |^ (U * W)) * (((2 * M) |^ (U * W)) * (1 / 2)) by XREAL_1:64;
then A35: (2 * (M * (U + 1))) |^ W <= ((2 * M) |^ ((U * W) * 2)) * (1 / 2) by A34, A33, XXREAL_0:2;
((100 * U) * W) * m >= ((100 * U) * W) * 1 by A1, NAT_1:14, XREAL_1:64;
then A36: M > (100 * U) * W by A8, NAT_1:13;
A37: ( 4 * (U * W) <= 100 * (U * W) & 2 * (U * W) <= 100 * (U * W) ) by XREAL_1:64;
then A38: ( (4 * U) * W < M & (2 * U) * W < M ) by A36, XXREAL_0:2;
consider t being _Theta such that
A39: Py (M,(((2 * U) * W) + 1)) = ((2 * M) |^ ((U * W) * 2)) * (1 + (t * (((2 * U) * W) / M))) by A37, A36, XXREAL_0:2, Th10;
- 1 <= t by Def1;
then A40: (- 1) * ((4 * U) * W) <= t * ((4 * U) * W) by XREAL_1:64;
(- 1) * M <= (- 1) * ((4 * U) * W) by A38, XREAL_1:65;
then - M <= (t * ((2 * U) * W)) * 2 by A40, XXREAL_0:2;
then ( M * (- (1 / 2)) = (M * (- 1)) / 2 & (M * (- 1)) / 2 <= t * ((2 * U) * W) ) by XREAL_1:79;
then - (1 / 2) <= (t * ((2 * U) * W)) / M by XREAL_1:77;
then - (1 / 2) <= t * (((2 * U) * W) / M) by XCMPLX_1:74;
then ( 1 / 2 = 1 + (- (1 / 2)) & 1 + (- (1 / 2)) <= 1 + (t * (((2 * U) * W) / M)) ) by XREAL_1:7;
then ((2 * M) |^ ((U * W) * 2)) * (1 / 2) <= ((2 * M) |^ ((U * W) * 2)) * (1 + (t * (((2 * U) * W) / M))) by XREAL_1:64;
then A41: (2 * (M * (U + 1))) |^ W <= Py (M,(((2 * U) * W) + 1)) by A35, A39, XXREAL_0:2;
A42: 2 * U >= 2 * 1 by A7, A6, NAT_1:14, XREAL_1:64;
( m * U >= 1 & W >= 1 ) by A1, A6, A7, NAT_1:14;
then 100 * (m * U) >= 3 * 1 by XREAL_1:66;
then (100 * (m * U)) * W >= 3 * W by XREAL_1:64;
then ( M >= ((2 * W) + W) + 1 & ((2 * W) + W) + 1 = ((2 * W) + 1) + W & ((2 * W) + 1) + W >= ((2 * W) + 1) + 1 ) by A1, A6, NAT_1:14, XREAL_1:6, A8;
then (2 * W) + 2 <= M by XXREAL_0:2;
then ((2 * W) + 2) * U <= MU by XREAL_1:64;
then ( ((2 * W) * U) + 2 <= ((2 * W) * U) + (2 * U) & ((2 * W) * U) + (2 * U) <= MU ) by A42, XREAL_1:6;
then (((2 * W) * U) + 1) + 1 <= MU by XXREAL_0:2;
then ((2 * W) * U) + 1 <= MU - 1 by XREAL_1:19;
then ( (2 * (U * W)) + 1 < MU - 1 or (2 * (U * W)) + 1 = MU - 1 ) by XXREAL_0:1;
then A43: Py (M,(((2 * U) * W) + 1)) <= Py (M,(MU - 1)) by HILB10_1:11;
(2 * (U * W)) + 1 <= 100 * (U * W) by NAT_1:13, A1, A6, A7, XREAL_1:68;
then ( (2 * (U * W)) + 1 < M & M = M1 + 1 ) by A36, XXREAL_0:2;
then (2 * (U * W)) + 1 <= M1 by NAT_1:13;
then ( (2 * (U * W)) + 1 < M1 or (2 * (U * W)) + 1 = M1 ) by XXREAL_0:1;
then A44: Py (M,(((2 * U) * W) + 1)) <= Py (M,M1) by HILB10_1:11;
r < (2 * (M * (U + 1))) |^ W by A28, A20, A29, XXREAL_0:2;
then r < Py (M,(((2 * U) * W) + 1)) by A41, XXREAL_0:2;
hence ( r < Py (M,M1) & r < Py (M,(MU - 1)) ) by A43, A44, XXREAL_0:2; :: thesis: verum
end;
A45: U >= 1 by A6, A7, NAT_1:14;
A46: ((100 * m) * U) * W >= 1 * W by XREAL_1:64, A1, A7, NAT_1:14;
then W + 1 <= (M - 1) + 1 by A8, XREAL_1:6;
then A47: (W + 1) * 1 <= M * U by A45, XREAL_1:66;
A48: S = Py (M,(k + 1))
proof
A49: S < Py (M,M1) by A27, A23, XXREAL_0:2;
A50: M - 1 >= k + 1 by A46, A8, A6, A12, XXREAL_0:2;
S - (k + 1) = s * (M - 1) by A9;
then S,k + 1 are_congruent_mod M - 1 by INT_1:def 3, INT_1:def 4;
hence S = Py (M,(k + 1)) by A2, A49, A50, Th11, A9; :: thesis: verum
end;
A51: T = Py (MU,(Wk + 1))
proof
M * 1 <= MU by XREAL_1:64, A6, A7, NAT_1:14;
then Py (M,(MU - 1)) <= Py (MU,(MU - 1)) by HILB10_6:15;
then r < Py (MU,(MU - 1)) by A27, XXREAL_0:2;
then A52: T < Py (MU,(MU - 1)) by A24, XXREAL_0:2;
A53: ( 1 - k <= 1 - 1 & 1 - 1 = 0 ) by XREAL_1:10, A1, NAT_1:14;
( (1 - k) + (W + 1) <= 0 + (W + 1) & 0 + (W + 1) <= MU ) by A47, A53, XREAL_1:6;
then (Wk + 1) + 1 <= MU by XXREAL_0:2;
then A54: Wk + 1 <= MU - 1 by XREAL_1:19;
T - (Wk + 1) = (MU - 1) * t by A10;
hence T = Py (MU,(Wk + 1)) by A54, A52, A10, A15, A3, Th11, INT_1:def 5; :: thesis: verum
end;
A55: r - (((m * S) * T) * U) < ((3 * u) * S) * T
proof
(((4 * (f ^2)) - 1) * ((r - (((m * S) * T) * U)) ^2)) + 0 <= (((4 * (f ^2)) - 1) * ((r - (((m * S) * T) * U)) ^2)) + (((4 * (u ^2)) * (S ^2)) * (T ^2)) by XREAL_1:6;
then A56: ((4 * (f ^2)) - 1) * ((r - (((m * S) * T) * U)) ^2) < ((((8 * f) * u) * S) * T) * (r - (((m * S) * T) * U)) by A5, XXREAL_0:2;
A57: ( 4 * 1 <= 4 * f & (12 * f) * 1 <= (12 * f) * f ) by XREAL_1:64, A1, NAT_1:14;
then (4 * 1) + (8 * f) <= (4 * f) + (8 * f) by XREAL_1:6;
then (3 + (8 * f)) + 1 <= 12 * (f ^2) by A57, A21, XXREAL_0:2;
then (8 * f) + 3 < 12 * (f ^2) by NAT_1:13;
then 8 * f < (12 * (f ^2)) - 3 by XREAL_1:20;
then (8 * f) * (((u * S) * T) * (r - (((m * S) * T) * U))) <= (3 * ((4 * (f ^2)) - 1)) * (((u * S) * T) * (r - (((m * S) * T) * U))) by A22, XREAL_1:64;
then ((4 * (f ^2)) - 1) * ((r - (((m * S) * T) * U)) ^2) < ((4 * (f ^2)) - 1) * ((((3 * u) * S) * T) * (r - (((m * S) * T) * U))) by A56, XXREAL_0:2;
then (r - (((m * S) * T) * U)) * (r - (((m * S) * T) * U)) < (((3 * u) * S) * T) * (r - (((m * S) * T) * U)) by A1, XREAL_1:64, A21;
hence r - (((m * S) * T) * U) < ((3 * u) * S) * T by XREAL_1:64; :: thesis: verum
end;
A58: (m * U) + (3 * u) > r / (S * T)
proof
r < (((3 * u) * S) * T) + (((m * S) * T) * U) by A55, XREAL_1:19;
then r < ((3 * u) + (m * U)) * (S * T) ;
hence (m * U) + (3 * u) > r / (S * T) by A15, A10, A8, A9, XREAL_1:83; :: thesis: verum
end;
U < U + 1 by NAT_1:13;
then M * U <= M * (U + 1) by XREAL_1:64;
then W + 1 <= M * (U + 1) by A47, XXREAL_0:2;
then W < M * (U + 1) by NAT_1:13;
then consider t1 being _Theta such that
A59: Py (mu,(w + 1)) = ((2 * mu) |^ w) * (1 + (t1 * (w / mu))) by A20, Th10;
reconsider I = 1 as _Theta by Def1;
set E = (t1 * (w / mu)) - ((W + 1) / ((2 * mu) |^ w));
( W |^ (1 + 1) = W * (W |^ 1) & W |^ 1 = W ) by NEWTON:6;
then A60: W |^ (2 + 1) = (W * W) * W by NEWTON:6;
( u |^ (1 + 1) = u * (u |^ 1) & u |^ 1 = u ) by NEWTON:6;
then A61: u |^ (2 + 1) = (u * u) * u by NEWTON:6;
A62: W >= 1 by A1, A6, NAT_1:14;
A63: m >= 1 by A1, NAT_1:14;
A64: 2 * mu >= 1 by NAT_1:14;
( ((f * k) * 100) * (k + 1) >= ((f * k) * 100) * 1 & f >= 1 ) by XREAL_1:64, A1, NAT_1:14;
then ( W >= f * (100 * k) & f * (100 * k) >= 1 * (100 * k) ) by A6, XREAL_1:64;
then A65: ( W >= 100 * k & 100 * k >= 5 * k & 100 * k >= 1 * k ) by XXREAL_0:2, XREAL_1:64;
then A66: k <= W by XXREAL_0:2;
( U > 100 * ((u |^ 3) * (W |^ 3)) & 100 * ((u |^ 3) * (W |^ 3)) >= 1 * ((u |^ 3) * (W |^ 3)) ) by A7, NAT_1:13, XREAL_1:64;
then U > (u |^ 3) * (W |^ 3) by A7, NAT_1:13;
then A67: U |^ k >= ((u |^ 3) * (W |^ 3)) |^ k by A1, A6, PREPOWER:9;
A68: u >= 1 by NAT_1:14, A1;
then A69: ( u |^ 3 >= u & W |^ 3 >= 1 & W |^ 3 >= W & u |^ 3 >= 1 ) by A62, PREPOWER:12, NAT_1:14;
then ( (u |^ 3) * (W |^ 3) >= u * 1 & (u |^ 3) * (W |^ 3) >= W * 1 ) by XREAL_1:66;
then ( U > 100 * ((u |^ 3) * (W |^ 3)) & 100 * ((u |^ 3) * (W |^ 3)) >= 100 * u & 100 * ((u |^ 3) * (W |^ 3)) >= 100 * W ) by XREAL_1:64, NAT_1:13, A7;
then A70: ( U >= 100 * u & 100 * u >= 12 * u & U >= 100 * W & 100 * u >= 16 * u ) by XXREAL_0:2, XREAL_1:64;
then A71: U >= 12 * u by XXREAL_0:2;
( (W |^ k) |^ (1 + 1) = ((W |^ k) |^ 1) * (W |^ k) & (W |^ k) |^ 1 = W |^ k ) by NEWTON:6;
then (W |^ k) |^ (2 + 1) = ((W |^ k) * (W |^ k)) * (W |^ k) by NEWTON:6;
then A72: ((W |^ k) ^2) * (W |^ k) = (W |^ k) |^ 3 by SQUARE_1:def 1;
k >= 1 by A1, NAT_1:14;
then u |^ k >= u by A68, PREPOWER:12;
then (u |^ k) |^ 3 >= u |^ 3 by A1, PREPOWER:9;
then A73: (u |^ k) |^ 3 >= (u ^2) * u by A61, SQUARE_1:def 1;
m * U >= 1 by NAT_1:14, A1, A20, A7;
then ( (100 * W) * (m * U) >= (100 * W) * 1 & (100 * W) * 1 >= 5 * k ) by A66, XREAL_1:66;
then (100 * W) * (m * U) >= 5 * k by XXREAL_0:2;
then A74: 5 * k <= M by NAT_1:13, A8;
then A75: (5 * k) / M <= 1 by XREAL_1:183;
A76: 2 * k <= 5 * k by XREAL_1:64;
then A77: M >= 2 * k by A74, XXREAL_0:2;
then (2 * k) / M <= 1 by XREAL_1:183;
then A78: 2 * (k / M) <= 1 by XCMPLX_1:74;
A79: ( 4 * W <= 100 * W & 2 * W <= 100 * W ) by XREAL_1:64;
then A80: ( 4 * W <= U & 2 * W <= U ) by A70, XXREAL_0:2;
then A81: 2 * W <= U + 1 by NAT_1:13;
W <= W + W by NAT_1:11;
then A82: W <= U by A80, XXREAL_0:2;
Wk <= W - 0 by XREAL_1:10;
then ( 4 * Wk <= 4 * W & 2 * Wk <= 2 * W ) by XREAL_1:64;
then A83: ( 4 * Wk <= U & 2 * Wk <= U ) by A80, XXREAL_0:2;
then (4 * Wk) / U <= 1 by XREAL_1:183;
then A84: ((4 * Wk) / U) * (1 / M) <= 1 * (1 / M) by XREAL_1:64;
2 * (2 * (Wk / MU)) = 4 * (Wk / MU)
.= (4 * Wk) / MU by XCMPLX_1:74
.= ((4 * Wk) / U) * (1 / M) by XCMPLX_1:103 ;
then A85: ( (2 * (1 / M)) + (2 * (2 * (Wk / MU))) <= (2 * (1 / M)) + (1 * (1 / M)) & (2 * (1 / M)) + (1 * (1 / M)) = 3 * (1 / M) & 3 * (1 / M) = (3 * 1) / M ) by A84, XREAL_1:6, XCMPLX_1:74;
3 * 1 <= 3 * k by XREAL_1:64, A1, NAT_1:14;
then (3 * 1) / M <= (3 * k) / M by XREAL_1:72;
then (2 * (1 / M)) + (2 * (2 * (Wk / MU))) <= (3 * k) / M by A85, XXREAL_0:2;
then A86: (2 * (k / M)) + ((2 * (1 / M)) + (2 * (2 * (Wk / MU)))) <= (2 * (k / M)) + ((3 * k) / M) by XREAL_1:6;
2 * (k / M) = (2 * k) / M by XCMPLX_1:74;
then A87: (2 * (k / M)) + ((3 * k) / M) = ((2 * k) + (3 * k)) / M by XCMPLX_1:62;
( ((2 * (k / M)) + (2 * (1 / M))) + 0 <= ((2 * (k / M)) + (2 * (1 / M))) + (2 * (2 * (Wk / MU))) & ((2 * (k / M)) + (2 * (1 / M))) + (2 * (2 * (Wk / MU))) <= 1 ) by A86, A87, A75, XXREAL_0:2, XREAL_1:6;
then A88: (2 * (k / M)) + (2 * (1 / M)) <= 1 by XXREAL_0:2;
A89: 2 * W <= U by A79, A70, XXREAL_0:2;
M >= 1 by NAT_1:14;
then A90: MU >= 1 * (2 * Wk) by A83, XREAL_1:66;
(3 * 2) * u <= 12 * u by XREAL_1:64;
then (3 * u) * 2 <= 1 * U by A71, XXREAL_0:2;
then A91: (3 * u) / U <= 1 / 2 by XREAL_1:102, A20, A7;
(4 * u) * 4 <= 1 * U by A70, XXREAL_0:2;
then A92: (4 * u) / U <= 1 / 4 by XREAL_1:102, A20, A7;
1 * mu >= M * (2 * W) by A81, A20, XREAL_1:64;
then (W * (2 * M)) / mu <= 1 by XREAL_1:79;
then (2 * M) * (W / mu) <= 1 by XCMPLX_1:74;
then A93: W / mu <= 1 / (2 * M) by XREAL_1:77;
then A94: - (W / mu) >= - (1 / (2 * M)) by XREAL_1:24;
( - 1 <= t1 & t1 <= 1 ) by Def1;
then ( (- 1) * (w / mu) <= t1 * (w / mu) & t1 * (w / mu) <= 1 * (w / mu) ) by XREAL_1:64;
then A95: ( - (1 / (2 * M)) <= t1 * (w / mu) & t1 * (w / mu) <= 1 / (2 * M) ) by A20, A93, A94, XXREAL_0:2;
W + 1 <= U + 1 by A82, XREAL_1:6;
then A96: (W + 1) * (2 * M) <= (U + 1) * (2 * M) by XREAL_1:64;
2 * mu <= (2 * mu) |^ w by A64, A20, A62, PREPOWER:12;
then (W + 1) * (2 * M) <= 1 * ((2 * mu) |^ w) by A20, A96, XXREAL_0:2;
then (W + 1) / ((2 * mu) |^ w) <= 1 / (2 * M) by XREAL_1:102;
then ( 1 / (2 * M) >= - ((W + 1) / ((2 * mu) |^ w)) & - ((W + 1) / ((2 * mu) |^ w)) >= - (1 / (2 * M)) ) by XREAL_1:24;
then A97: ( (- (1 / (2 * M))) + (- (1 / (2 * M))) <= (t1 * (w / mu)) + (- ((W + 1) / ((2 * mu) |^ w))) & (t1 * (w / mu)) + (- ((W + 1) / ((2 * mu) |^ w))) <= (1 / (2 * M)) + (1 / (2 * M)) ) by A95, XREAL_1:7;
A98: (1 * 1) / (2 * M) = (1 / 2) * (1 / M) by XCMPLX_1:76;
A99: (t1 * (w / mu)) - ((W + 1) / ((2 * mu) |^ w)) <= I * (1 / M) by A97, A98;
A100: (- I) * (1 / M) <= (t1 * (w / mu)) - ((W + 1) / ((2 * mu) |^ w)) by A97, A98;
consider t2 being _Theta such that
A101: (t1 * (w / mu)) - ((W + 1) / ((2 * mu) |^ W)) = t2 * (1 / M) by A20, A99, A100, Th4;
A102: r = (((2 * mu) |^ w) * (1 + (t1 * (w / mu)))) - (W + 1) by A59, A20;
r = (((2 * mu) |^ w) * (1 + (t1 * (w / mu)))) - (((W + 1) / ((2 * mu) |^ W)) * ((2 * mu) |^ W)) by A102, XCMPLX_1:87;
then r = ((2 * mu) |^ w) * ((1 + (t1 * (w / mu))) - ((W + 1) / ((2 * mu) |^ W))) by A20;
then A103: r = ((2 * mu) |^ w) * (1 + (t2 * (1 / M))) by A101;
( S <= (2 * M) |^ k & T <= (2 * MU) |^ Wk ) by A48, A51, HILB10_1:17;
then S * T <= ((2 * M) |^ k) * ((2 * MU) |^ Wk) by XREAL_1:66;
then A104: r / (S * T) >= r / (((2 * M) |^ k) * ((2 * MU) |^ Wk)) by XREAL_1:118, A9, A10, A15;
((2 * M) * U) |^ Wk = ((2 * M) |^ Wk) * (U |^ Wk) by NEWTON:7;
then A105: ((2 * M) |^ k) * ((2 * MU) |^ Wk) = (((2 * M) |^ k) * ((2 * M) |^ Wk)) * (U |^ Wk)
.= ((2 * M) |^ (k + Wk)) * (U |^ Wk) by NEWTON:8 ;
(2 * mu) |^ w = ((2 * M) * (U + 1)) |^ W by A20
.= ((2 * M) |^ W) * ((U + 1) |^ W) by NEWTON:7 ;
then A106: r / (((2 * M) |^ k) * ((2 * MU) |^ Wk)) = (((2 * M) |^ W) * (((U + 1) |^ W) * (1 + (t2 * (1 / M))))) / (((2 * M) |^ W) * (U |^ Wk)) by A103, A105
.= (((U + 1) |^ W) * (1 + (t2 * (1 / M)))) / ((U |^ Wk) * 1) by XCMPLX_1:91
.= (((U + 1) |^ W) / (U |^ Wk)) * ((1 + (t2 * (1 / M))) / 1) by XCMPLX_1:76
.= (((U + 1) |^ W) / (U |^ Wk)) * (1 + (t2 * (1 / M))) ;
1 / M <= 1 / 2 by NAT_2:29, XREAL_1:118;
then A107: - (1 / M) >= - (1 / 2) by XREAL_1:24;
( - 1 <= t2 & t2 <= 1 ) by Def1;
then (- 1) * (1 / M) <= t2 * (1 / M) by XREAL_1:64;
then - (1 / 2) <= t2 * (1 / M) by A107, XXREAL_0:2;
then 1 + (- (1 / 2)) <= 1 + (t2 * (1 / M)) by XREAL_1:6;
then (((U + 1) |^ W) / (U |^ Wk)) * (1 + (t2 * (1 / M))) >= (1 / 2) * (((U + 1) |^ W) / (U |^ Wk)) by XREAL_1:66;
then A108: r / (S * T) >= (1 / 2) * (((U + 1) |^ W) / (U |^ Wk)) by A104, A106, XXREAL_0:2;
U < U + 1 by NAT_1:13;
then U |^ W < (U + 1) |^ W by PREPOWER:10, A1, A6, NAT_1:14;
then A109: (U |^ W) / (U |^ Wk) < ((U + 1) |^ W) / (U |^ Wk) by A7, XREAL_1:74;
A110: U |^ (Wk + k) = (U |^ Wk) * (U |^ k) by NEWTON:8;
then (U |^ W) / ((U |^ Wk) * 1) = (U |^ k) / 1 by A7, XCMPLX_1:91;
then (1 / 2) * (U |^ k) < (1 / 2) * (((U + 1) |^ W) / (U |^ Wk)) by XREAL_1:68, A109;
then A111: r / (S * T) > (1 / 2) * (U |^ k) by A108, XXREAL_0:2;
m * U >= 1 * (12 * u) by A71, A63, XREAL_1:66;
then 20 * (m * U) >= 20 * (12 * u) by XREAL_1:66;
then ((20 * m) * U) * W >= (240 * u) * W by XREAL_1:66;
then A112: (80 * ((m * U) * W)) + (20 * ((m * U) * W)) >= (80 * ((m * U) * W)) + (((80 * 3) * u) * W) by XREAL_1:6;
( (m * U) + (3 * u) > (1 / 2) * (U |^ k) & (1 / 2) * (U |^ k) >= (1 / 2) * (((u |^ 3) * (W |^ 3)) |^ k) ) by A58, A67, A111, XXREAL_0:2, XREAL_1:66;
then (m * U) + (3 * u) > (1 / 2) * (((u |^ 3) * (W |^ 3)) |^ k) by XXREAL_0:2;
then A113: ((m * U) + (3 * u)) * (80 * W) >= ((1 / 2) * (((u |^ 3) * (W |^ 3)) |^ k)) * (80 * W) by XREAL_1:66;
A114: M > (80 * ((m * U) + (3 * u))) * W by NAT_1:13, A8, A112;
(((u |^ 3) * (W |^ 3)) |^ k) * W = (((u |^ 3) |^ k) * ((W |^ 3) |^ k)) * W by NEWTON:7
.= ((u |^ (k * 3)) * ((W |^ 3) |^ k)) * W by NEWTON:9
.= ((u |^ (k * 3)) * (W |^ (3 * k))) * W by NEWTON:9
.= (((u |^ k) |^ 3) * (W |^ (3 * k))) * W by NEWTON:9
.= (((u |^ k) |^ 3) * ((W |^ k) |^ 3)) * W by NEWTON:9 ;
then A115: M > ((40 * ((u |^ k) |^ 3)) * ((W |^ k) |^ 3)) * W by A113, A114, XXREAL_0:2;
(40 * ((u |^ k) |^ 3)) * (((W |^ k) |^ 3) * W) >= 1 * (((W |^ k) |^ 3) * W) by A1, NAT_1:14, XREAL_1:64;
then A116: M > W * (((W |^ k) ^2) * (W |^ k)) by A72, A115, XXREAL_0:2;
40 * ((W |^ k) |^ 3) >= 1 by NAT_1:14, A6, A1;
then (40 * ((W |^ k) |^ 3)) * ((u |^ k) |^ 3) >= 1 * ((u ^2) * u) by A73, XREAL_1:66;
then ((40 * ((W |^ k) |^ 3)) * ((u |^ k) |^ 3)) * W >= (1 * ((u ^2) * u)) * W by XREAL_1:66;
then W * ((u ^2) * u) < M by A115, XXREAL_0:2;
then A117: u = W |^ k by A116, Th13, A6, A1, A4, A48, A11;
A118: (r - (((m * S) * T) * U)) / ((S * T) * U) = (r / ((S * T) * U)) - ((m * ((S * T) * U)) / (1 * ((S * T) * U))) by XCMPLX_1:120
.= (r / ((S * T) * U)) - (m / 1) by A15, A10, A7, A8, A9, XCMPLX_1:91 ;
(r - (((m * S) * T) * U)) / ((S * T) * U) < ((3 * u) * (S * T)) / ((S * T) * U) by A55, A8, A9, A15, A10, A7, XREAL_1:74;
then (r / ((S * T) * U)) - (m / 1) < (3 * u) / U by A118, A8, A9, A15, A10, XCMPLX_1:91;
then A119: (r / ((S * T) * U)) - (m / 1) < 1 / 2 by A91, XXREAL_0:2;
2 * k >= 1 * k by XREAL_1:64;
then consider t3 being _Theta such that
A120: Py (M,(k + 1)) = ((2 * M) |^ k) * (1 + (t3 * (k / M))) by Th10, A77, XXREAL_0:2;
2 * Wk >= 1 * Wk by XREAL_1:64;
then consider t4 being _Theta such that
A121: Py (MU,(Wk + 1)) = ((2 * MU) |^ Wk) * (1 + (t4 * (Wk / MU))) by Th10, A90, XXREAL_0:2;
1 * M >= 2 * k by A76, A74, XXREAL_0:2;
then k / M <= 1 / 2 by XREAL_1:102;
then consider T3 being _Theta such that
A122: 1 / (1 + (t3 * (k / M))) = 1 + ((T3 * 2) * (k / M)) by Th7;
1 * MU >= 2 * Wk by A90;
then Wk / MU <= 1 / 2 by XREAL_1:102;
then consider T4 being _Theta such that
A123: 1 / (1 + (t4 * (Wk / MU))) = 1 + ((T4 * 2) * (Wk / MU)) by Th7;
consider T5 being _Theta such that
A124: (1 + (T3 * (2 * (k / M)))) * (1 + (t2 * (1 / M))) = 1 + (T5 * ((2 * (k / M)) + (2 * (1 / M)))) by A78, Th3;
consider T6 being _Theta such that
A125: (1 + (T5 * ((2 * (k / M)) + (2 * (1 / M))))) * (1 + (T4 * (2 * (Wk / MU)))) = 1 + (T6 * (((2 * (k / M)) + (2 * (1 / M))) + (2 * (2 * (Wk / MU))))) by A88, Th3;
A126: |.(((2 * (k / M)) + (2 * (1 / M))) + (2 * (2 * (Wk / MU)))).| = ((2 * (k / M)) + (2 * (1 / M))) + (2 * (2 * (Wk / MU))) ;
|.((5 * k) / M).| = (5 * k) / M ;
then consider T7 being _Theta such that
A127: T6 * (((2 * (k / M)) + (2 * (1 / M))) + (2 * (2 * (Wk / MU)))) = T7 * ((5 * k) / M) by A87, A126, Th2, A86;
A128: 1 / S = (1 / ((2 * M) |^ k)) * (1 + ((T3 * 2) * (k / M))) by A120, A48, XCMPLX_1:102, A122;
A129: 1 / T = (1 / ((2 * MU) |^ Wk)) * (1 + ((T4 * 2) * (Wk / MU))) by A123, A121, A51, XCMPLX_1:102;
A130: (2 * mu) |^ w = ((2 * M) * (U + 1)) |^ W by A20
.= ((2 * M) |^ W) * ((U + 1) |^ W) by NEWTON:7 ;
(1 / ((2 * M) |^ k)) * (1 / ((2 * MU) |^ Wk)) = 1 / (((2 * M) |^ W) * (U |^ Wk)) by A105, XCMPLX_1:102;
then A131: (((2 * mu) |^ w) * (1 / ((2 * M) |^ k))) * (1 / ((2 * MU) |^ Wk)) = (((2 * M) |^ W) * ((U + 1) |^ W)) * (1 / (((2 * M) |^ W) * (U |^ Wk))) by A130
.= (((2 * M) |^ W) * ((U + 1) |^ W)) / (((2 * M) |^ W) * (U |^ Wk)) by XCMPLX_1:99
.= ((U + 1) |^ W) / (U |^ Wk) by XCMPLX_1:91 ;
A132: r / (S * T) = r * (1 / (S * T)) by XCMPLX_1:99
.= r * ((1 / S) * (1 / T)) by XCMPLX_1:102
.= (((U + 1) |^ W) / (U |^ Wk)) * (((1 + (t2 * (1 / M))) * (1 + ((T3 * 2) * (k / M)))) * (1 + ((T4 * 2) * (Wk / MU)))) by A131, A103, A129, A128
.= (((U + 1) |^ W) / (U |^ Wk)) * (1 + (T7 * ((5 * k) / M))) by A124, A125, A127 ;
then A133: r / ((S * T) * U) = ((((U + 1) |^ W) / (U |^ Wk)) * (1 + (T7 * ((5 * k) / M)))) * (1 / U) by XCMPLX_1:103
.= ((((U + 1) |^ W) / (U |^ Wk)) * (1 / U)) * (1 + (T7 * ((5 * k) / M)))
.= (((U + 1) |^ W) / ((U |^ Wk) * U)) * (1 + (T7 * ((5 * k) / M))) by XCMPLX_1:103
.= (((U + 1) |^ W) / (U |^ (Wk + 1))) * (1 + (T7 * ((5 * k) / M))) by NEWTON:6 ;
set IW = (U,1) In_Power W;
set IWk = ((U,1) In_Power W) | k;
A134: len ((U,1) In_Power W) = W + 1 by NEWTON:def 4;
A135: k < W + 1 by A66, NAT_1:13;
then A136: len (((U,1) In_Power W) | k) = k by A134, FINSEQ_1:59;
consider IWW being FinSequence such that
A137: (U,1) In_Power W = (((U,1) In_Power W) | k) ^ IWW by FINSEQ_1:80;
reconsider IWW = IWW as FinSequence of REAL by A137, FINSEQ_1:36;
reconsider k1 = k - 1 as Nat by A1;
A138: len ((((U,1) In_Power W) | k) ^ IWW) = k + (len IWW) by A136, FINSEQ_1:22;
then A139: len IWW = Wk + 1 by A134, A137;
A140: len (((U,1) In_Power W) | k) = (k1 - 0) + 1 by A135, A134, FINSEQ_1:59;
A141: for i being Nat st i + 1 in dom (((U,1) In_Power W) | k) holds
(((U,1) In_Power W) | k) . (i + 1) = (W choose (0 + i)) * (U |^ (W -' (0 + i)))
proof
let i be Nat; :: thesis: ( i + 1 in dom (((U,1) In_Power W) | k) implies (((U,1) In_Power W) | k) . (i + 1) = (W choose (0 + i)) * (U |^ (W -' (0 + i))) )
assume A142: i + 1 in dom (((U,1) In_Power W) | k) ; :: thesis: (((U,1) In_Power W) | k) . (i + 1) = (W choose (0 + i)) * (U |^ (W -' (0 + i)))
A143: i + 1 in dom ((U,1) In_Power W) by A142, RELAT_1:57;
i + 1 <= k by A142, FINSEQ_3:25, A136;
then i + 1 <= W by A66, XXREAL_0:2;
then i < W by NAT_1:13;
then A144: W -' i = W - i by XREAL_1:233;
A145: (i + 1) - 1 = i ;
(((U,1) In_Power W) | k) . (i + 1) = ((U,1) In_Power W) . (i + 1) by A142, FUNCT_1:47
.= ((W choose i) * (U |^ (W -' i))) * (1 |^ i) by A143, A145, A144, NEWTON:def 4 ;
hence (((U,1) In_Power W) | k) . (i + 1) = (W choose (0 + i)) * (U |^ (W -' (0 + i))) ; :: thesis: verum
end;
A146: ( W |^ 0 = 1 & W -' 0 = W - 0 ) by XREAL_1:233, NEWTON:4;
k1 < k1 + 1 by NAT_1:13;
then k1 < W by A66, XXREAL_0:2;
then A147: ( 0 < Sum (((U,1) In_Power W) | k) & Sum (((U,1) In_Power W) | k) < (2 * (W |^ 0)) * (U |^ (W -' 0)) ) by Th14, A89, A140, A141;
set UIWk = (1 / (U |^ (Wk + 1))) * (((U,1) In_Power W) | k);
A148: (1 / U) * U = 1 by A7, A6, XCMPLX_1:87;
U |^ (Wk + 1) = (U |^ Wk) * U by NEWTON:6;
then 1 / (U |^ (Wk + 1)) = (1 / U) * (1 / (U |^ Wk)) by XCMPLX_1:102;
then A149: (1 / (U |^ (Wk + 1))) * (U |^ Wk) = (1 / U) * ((1 / (U |^ Wk)) * (U |^ Wk))
.= (1 / U) * 1 by XCMPLX_1:87, A7 ;
rng ((1 / (U |^ (Wk + 1))) * (((U,1) In_Power W) | k)) c= NAT
proof
let y be object ; :: according to TARSKI:def 3 :: thesis: ( not y in rng ((1 / (U |^ (Wk + 1))) * (((U,1) In_Power W) | k)) or y in NAT )
assume A150: y in rng ((1 / (U |^ (Wk + 1))) * (((U,1) In_Power W) | k)) ; :: thesis: y in NAT
consider i being object such that
A151: ( i in dom ((1 / (U |^ (Wk + 1))) * (((U,1) In_Power W) | k)) & ((1 / (U |^ (Wk + 1))) * (((U,1) In_Power W) | k)) . i = y ) by A150, FUNCT_1:def 3;
reconsider i = i as Nat by A151;
A152: dom ((1 / (U |^ (Wk + 1))) * (((U,1) In_Power W) | k)) = dom (((U,1) In_Power W) | k) by VALUED_1:def 5;
then A153: ( 1 <= i & i <= k ) by A151, FINSEQ_3:25, A136;
then reconsider i1 = i - 1 as Nat ;
i = i1 + 1 ;
then i1 < k by A153, NAT_1:13;
then A154: ( k -' i1 = k - i1 & W -' i1 = W - i1 & k -' i = k - i ) by A66, XXREAL_0:2, A153, XREAL_1:233;
then A155: W -' i1 = Wk + (k -' i1) ;
k -' i1 = (k -' i) + 1 by A154;
then A156: (U |^ (k -' i1)) * (1 / U) = ((U |^ (k -' i)) * U) * (1 / U) by NEWTON:6
.= (U |^ (k -' i)) * (U * (1 / U))
.= U |^ (k -' i) by A148 ;
(((U,1) In_Power W) | k) . (i1 + 1) = (W choose (0 + i1)) * (U |^ (W -' (0 + i1))) by A152, A151, A141;
then ((1 / (U |^ (Wk + 1))) * (((U,1) In_Power W) | k)) . i = (1 / (U |^ (Wk + 1))) * ((W choose i1) * (U |^ (W -' i1))) by VALUED_1:6
.= (1 / (U |^ (Wk + 1))) * ((W choose i1) * ((U |^ Wk) * (U |^ (k -' i1)))) by A155, NEWTON:8
.= (W choose i1) * (U |^ (k -' i)) by A156, A149 ;
hence y in NAT by A151; :: thesis: verum
end;
then reconsider UIWk = (1 / (U |^ (Wk + 1))) * (((U,1) In_Power W) | k) as FinSequence of NAT by FINSEQ_1:def 4;
reconsider Z = Sum UIWk as Element of NAT by ORDINAL1:def 12;
A157: (1 / (U |^ (Wk + 1))) * ((2 * (U |^ Wk)) * (U |^ k)) = 2 * ((1 / U) * (U |^ (k1 + 1))) by A149
.= 2 * ((1 / U) * ((U |^ k1) * U)) by NEWTON:6
.= (2 * ((1 / U) * U)) * (U |^ k1)
.= (2 * 1) * (U |^ k1) by A6, A7, XCMPLX_1:87 ;
A158: ( Z = (1 / (U |^ (Wk + 1))) * (Sum (((U,1) In_Power W) | k)) & (1 / (U |^ (Wk + 1))) * (Sum (((U,1) In_Power W) | k)) < (1 / (U |^ (Wk + 1))) * ((2 * (U |^ Wk)) * (U |^ k)) ) by A7, A110, XREAL_1:68, A147, A146, RVSUM_1:87;
A159: for i being Nat st i + 1 in dom IWW holds
IWW . (i + 1) = (W choose (k + i)) * (U |^ (W -' (k + i)))
proof
let i be Nat; :: thesis: ( i + 1 in dom IWW implies IWW . (i + 1) = (W choose (k + i)) * (U |^ (W -' (k + i))) )
assume A160: i + 1 in dom IWW ; :: thesis: IWW . (i + 1) = (W choose (k + i)) * (U |^ (W -' (k + i)))
A161: k + (i + 1) in dom ((U,1) In_Power W) by A160, A136, A137, FINSEQ_1:28;
then (k + i) + 1 <= W + 1 by A134, FINSEQ_3:25;
then A162: W -' (k + i) = W - (k + i) by XREAL_1:6, XREAL_1:233;
A163: (k + (i + 1)) - 1 = k + i ;
IWW . (i + 1) = ((U,1) In_Power W) . (k + (i + 1)) by FINSEQ_1:def 7, A136, A137, A160
.= ((W choose (k + i)) * (U |^ (W -' (k + i)))) * (1 |^ (k + i)) by A161, A163, A162, NEWTON:def 4 ;
hence IWW . (i + 1) = (W choose (k + i)) * (U |^ (W -' (k + i))) ; :: thesis: verum
end;
A164: ( 0 < Sum IWW & Sum IWW < (2 * (W |^ k)) * (U |^ (W -' k)) ) by A139, Th14, A89, A66, A1, A159;
set UIWW = (1 / (U |^ (Wk + 1))) * IWW;
set D = Sum ((1 / (U |^ (Wk + 1))) * IWW);
A165: W -' k = Wk by A65, XXREAL_0:2, XREAL_1:233;
A166: ( Sum ((1 / (U |^ (Wk + 1))) * IWW) = (1 / (U |^ (Wk + 1))) * (Sum IWW) & (1 / (U |^ (Wk + 1))) * (Sum IWW) < (1 / (U |^ (Wk + 1))) * ((2 * (W |^ k)) * (U |^ Wk)) ) by A7, A165, XREAL_1:68, A164, RVSUM_1:87;
( (U + 1) |^ W = Sum ((U,1) In_Power W) & Sum ((U,1) In_Power W) = (Sum (((U,1) In_Power W) | k)) + (Sum IWW) ) by A137, RVSUM_1:75, NEWTON:30;
then A167: Z + (Sum ((1 / (U |^ (Wk + 1))) * IWW)) = (1 / (U |^ (Wk + 1))) * ((U + 1) |^ W) by A166, A158
.= ((U + 1) |^ W) / (U |^ (Wk + 1)) by XCMPLX_1:99 ;
A168: |.(Sum ((1 / (U |^ (Wk + 1))) * IWW)).| = Sum ((1 / (U |^ (Wk + 1))) * IWW) by A166, A164, ABSVALUE:def 1;
A169: ( |.T7.| <= 1 & |.((5 * k) / M).| <= 1 ) by Th1, A74, XREAL_1:183;
|.(((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * T7) * ((5 * k) / M)).| = |.((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * T7).| * |.((5 * k) / M).| by COMPLEX1:65
.= (|.(Sum ((1 / (U |^ (Wk + 1))) * IWW)).| * |.T7.|) * |.((5 * k) / M).| by COMPLEX1:65
.= (|.((5 * k) / M).| * |.T7.|) * (Sum ((1 / (U |^ (Wk + 1))) * IWW)) by A168 ;
then |.(((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * T7) * ((5 * k) / M)).| <= 1 * (Sum ((1 / (U |^ (Wk + 1))) * IWW)) by A166, A164, A169, XREAL_1:160, XREAL_1:64;
then A170: |.(Sum ((1 / (U |^ (Wk + 1))) * IWW)).| + |.(((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * T7) * ((5 * k) / M)).| <= (Sum ((1 / (U |^ (Wk + 1))) * IWW)) + (1 * (Sum ((1 / (U |^ (Wk + 1))) * IWW))) by A168, XREAL_1:6;
|.(T7 * (Z * ((5 * k) / M))).| = |.T7.| * |.(Z * ((5 * k) / M)).| by COMPLEX1:65;
then A171: |.(T7 * (Z * ((5 * k) / M))).| <= 1 * |.(Z * ((5 * k) / M)).| by Th1, XREAL_1:64;
(Sum ((1 / (U |^ (Wk + 1))) * IWW)) * (1 + (T7 * ((5 * k) / M))) = (Sum ((1 / (U |^ (Wk + 1))) * IWW)) + (((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * T7) * ((5 * k) / M)) ;
then |.((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * (1 + (T7 * ((5 * k) / M)))).| <= |.(Sum ((1 / (U |^ (Wk + 1))) * IWW)).| + |.(((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * T7) * ((5 * k) / M)).| by COMPLEX1:56;
then |.((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * (1 + (T7 * ((5 * k) / M)))).| <= (Sum ((1 / (U |^ (Wk + 1))) * IWW)) + (Sum ((1 / (U |^ (Wk + 1))) * IWW)) by A170, XXREAL_0:2;
then A172: |.((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * (1 + (T7 * ((5 * k) / M)))).| + |.((Z * T7) * ((5 * k) / M)).| <= ((Sum ((1 / (U |^ (Wk + 1))) * IWW)) + (Sum ((1 / (U |^ (Wk + 1))) * IWW))) + (Z * ((5 * k) / M)) by A171, XREAL_1:7;
|.(((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * (1 + (T7 * ((5 * k) / M)))) + ((Z * T7) * ((5 * k) / M))).| <= |.((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * (1 + (T7 * ((5 * k) / M)))).| + |.((Z * T7) * ((5 * k) / M)).| by COMPLEX1:56;
then A173: |.(((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * (1 + (T7 * ((5 * k) / M)))) + ((Z * T7) * ((5 * k) / M))).| <= ((Sum ((1 / (U |^ (Wk + 1))) * IWW)) + (Sum ((1 / (U |^ (Wk + 1))) * IWW))) + (Z * ((5 * k) / M)) by A172, XXREAL_0:2;
A174: 2 * ((2 * (1 / U)) * u) = (4 * u) * (1 / U)
.= ((4 * u) * 1) / U by XCMPLX_1:74 ;
2 * (Sum ((1 / (U |^ (Wk + 1))) * IWW)) < 2 * ((2 * (1 / U)) * u) by A166, A149, A117, XREAL_1:68;
then A175: 2 * (Sum ((1 / (U |^ (Wk + 1))) * IWW)) < 1 / 4 by A174, A92, XXREAL_0:2;
A176: U |^ (k1 + 1) = (U |^ k1) * U by NEWTON:6;
( 1 / 2 < 1 & 1 <= m ) by A1, NAT_1:14;
then 1 / 2 <= m by XXREAL_0:2;
then A177: (1 / 2) + m <= m + m by XREAL_1:6;
A178: r / ((S * T) * U) < (1 / 2) + (m / 1) by A119, XREAL_1:19;
then A179: r / ((S * T) * U) <= 2 * m by A177, XXREAL_0:2;
A180: (((1 / 2) * (U |^ k)) * (1 / U)) * (50 * U) = (25 * (U |^ k)) * (U * (1 / U))
.= (25 * (U |^ k)) * 1 by XCMPLX_1:87, A7, A6 ;
r / ((S * T) * U) = (r / (S * T)) * (1 / U) by XCMPLX_1:103;
then r / ((S * T) * U) >= ((1 / 2) * (U |^ k)) * (1 / U) by A111, XREAL_1:64;
then 2 * m >= ((1 / 2) * (U |^ k)) * (1 / U) by A179, XXREAL_0:2;
then (2 * m) * (50 * U) >= 25 * (U |^ k) by XREAL_1:64, A180;
then ( M > ((100 * m) * U) * W & ((100 * m) * U) * W >= (25 * (U |^ k)) * W ) by XREAL_1:64, NAT_1:13, A8;
then ( M > 25 * ((U |^ k) * W) & 25 * ((U |^ k) * W) >= 24 * ((U |^ k) * W) ) by XXREAL_0:2, XREAL_1:64;
then A181: M > 24 * ((U |^ k) * W) by XXREAL_0:2;
((10 * f) * k) * (10 * (k + 1)) >= ((10 * f) * k) * 1 by NAT_1:14, XREAL_1:64;
then A182: (24 * (U |^ k)) * W >= (24 * (U |^ k)) * ((10 * f) * k) by A6, XREAL_1:64;
then A183: ((240 * f) * k) * (U |^ k) < M by A181, XXREAL_0:2;
(f * k) * k <= (f * k) * (k + 1) by XREAL_1:64, NAT_1:11;
then ((f * k) * k) * 96 <= ((f * k) * (k + 1)) * 100 by XREAL_1:66;
then A184: ( (96 * f) * (k * k) <= W & k ^2 = k * k ) by A6, SQUARE_1:def 1;
then 12 * ((8 * f) * (k ^2)) <= 1 * W ;
then A185: ((8 * f) * (k ^2)) / W <= 1 / 12 by XREAL_1:102, A1, A6;
1 <= f by A1, NAT_1:14;
then 24 * 1 <= 96 * f by XREAL_1:66;
then A186: (24 * 1) * (k ^2) <= (96 * f) * (k ^2) by XREAL_1:64;
then A187: (24 * 1) * (k ^2) <= W by A184, XXREAL_0:2;
A188: 1 * (k ^2) <= 24 * (k ^2) by XREAL_1:64;
2 * (k ^2) <= 24 * (k ^2) by XREAL_1:64;
then 2 * (k ^2) <= W * 1 by A187, XXREAL_0:2;
then A189: (k ^2) / W <= 1 / 2 by XREAL_1:102, A1, A6;
6 * (4 * (k ^2)) <= 1 * W by A186, A184, XXREAL_0:2;
then (4 * (k ^2)) / W <= 1 / 6 by XREAL_1:102, A1, A6;
then A190: 4 * ((k ^2) / W) <= 1 / 6 by XCMPLX_1:74;
(k * (U |^ k)) * 1 <= (k * (U |^ k)) * f by A1, NAT_1:14, XREAL_1:64;
then ((k * (U |^ k)) * 1) * 120 <= ((k * (U |^ k)) * f) * 240 by XREAL_1:66;
then 12 * (((U |^ k) * 10) * k) <= 1 * M by A183, XXREAL_0:2;
then A191: (((U |^ k) * 10) * k) / M <= 1 / 12 by XREAL_1:102;
A192: 1 * ((u |^ 3) * (W |^ 3)) <= 100 * ((u |^ 3) * (W |^ 3)) by XREAL_1:64;
(W * W) * 1 <= W |^ 3 by A60, A1, A6, NAT_1:14, XREAL_1:64;
then ( (W * W) * u <= (W |^ 3) * (u |^ 3) & (W |^ 3) * (u |^ 3) < U ) by A69, XREAL_1:66, A7, NAT_1:13, A192;
then W * (W * (W |^ k)) <= U by XXREAL_0:2, A117;
then A193: W * (W |^ (k + 1)) <= U by NEWTON:6;
1 <= k * (k + 1) by A1, NAT_1:14;
then 96 * 1 <= (k * (k + 1)) * 100 by XREAL_1:66;
then (96 * 1) * f <= ((k * (k + 1)) * 100) * f by XREAL_1:64;
then (96 * f) * (W |^ (k + 1)) <= W * (W |^ (k + 1)) by A6, XREAL_1:64;
then 12 * ((8 * f) * (W |^ (k + 1))) <= 1 * U by A193, XXREAL_0:2;
then A194: ((8 * f) * (W |^ (k + 1))) / U <= 1 / 12 by XREAL_1:102, A7;
1 <= (f * k) * (k + 1) by A1, NAT_1:14;
then 1 * 24 <= 100 * ((f * k) * (k + 1)) by XREAL_1:66;
then 24 * (W |^ (k + 1)) <= W * (W |^ (k + 1)) by A6, XREAL_1:64;
then 12 * (2 * (W |^ (k + 1))) <= U * 1 by A193, XXREAL_0:2;
then (2 * (W |^ (k + 1))) / U <= 1 / 12 by XREAL_1:102, A7;
then 2 * ((W |^ (k + 1)) / U) <= 1 / 12 by XCMPLX_1:74;
then A195: 2 * ((W |^ (k + 1)) * (1 / U)) <= 1 / 12 by XCMPLX_1:99;
A196: ( ((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M) <= (1 / 12) + (1 / 12) & (1 / 12) + (1 / 12) = 1 / 6 & 1 / 6 <= 1 / 2 ) by A195, A191, XREAL_1:7;
then A197: ((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M) <= 1 / 2 by XXREAL_0:2;
A198: ( 2 * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M)) <= 2 * (1 / 6) & 2 * (1 / 6) <= 1 ) by A196, XREAL_1:64;
then A199: (2 * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M))) + (2 * (2 * ((k ^2) / W))) <= ((2 * 1) / 6) + (1 / 6) by A190, XREAL_1:7;
A200: 2 * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M)) <= 1 by A198, XXREAL_0:2;
((6 * f) * U) * ((40 * k) * (U |^ k1)) >= 1 * ((40 * k) * (U |^ k1)) by XREAL_1:64, NAT_1:14, A1, A20, A7;
then A201: (2 * (U |^ k1)) * (20 * k) <= M by A176, A183, XXREAL_0:2;
Z * (20 * k) <= (2 * (U |^ k1)) * (20 * k) by A158, A157, XREAL_1:64;
then 4 * (Z * (5 * k)) <= 1 * M by A201, XXREAL_0:2;
then (Z * (5 * k)) / M <= 1 / 4 by XREAL_1:102;
then Z * ((5 * k) / M) <= 1 / 4 by XCMPLX_1:74;
then ( (2 * (Sum ((1 / (U |^ (Wk + 1))) * IWW))) + (Z * ((5 * k) / M)) < (1 / 4) + (1 / 4) & (1 / 4) + (1 / 4) = 1 / 2 ) by A175, XREAL_1:8;
then |.(((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * (1 + (T7 * ((5 * k) / M)))) + ((Z * T7) * ((5 * k) / M))).| < 1 / 2 by A173, XXREAL_0:2;
then A202: ( - (1 / 2) <= ((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * (1 + (T7 * ((5 * k) / M)))) + ((Z * T7) * ((5 * k) / M)) & ((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * (1 + (T7 * ((5 * k) / M)))) + ((Z * T7) * ((5 * k) / M)) <= 1 / 2 ) by ABSVALUE:5;
m - Z > ((r / ((S * T) * U)) - (1 / 2)) - Z by XREAL_1:9, A178, XREAL_1:19;
then ( m - Z > (((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * (1 + (T7 * ((5 * k) / M)))) + ((Z * T7) * ((5 * k) / M))) - (1 / 2) & (((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * (1 + (T7 * ((5 * k) / M)))) + ((Z * T7) * ((5 * k) / M))) - (1 / 2) >= (- (1 / 2)) - (1 / 2) ) by A167, A133, A202, XREAL_1:9;
then m - Z > - 1 by XXREAL_0:2;
then A203: m - Z >= (- 1) + 1 by INT_1:7;
m - Z < (r / ((S * T) * U)) - Z by XREAL_1:9, XREAL_1:47, A118, A22, A15, A10, A7, A8, A9;
then m - Z <= 1 / 2 by A202, XXREAL_0:2, A167, A133;
then m - Z < 1 + 0 by XXREAL_0:2;
then A204: m - Z = 0 by A203, INT_1:7;
A205: (U + 1) / U = (U / U) + (1 / U) by XCMPLX_1:62
.= 1 + (I * (1 / U)) by XCMPLX_1:60, A6, A7 ;
1 / U <= 1 / (2 * W) by A80, XREAL_1:118, A1, A6;
then consider T8 being _Theta such that
A206: (1 + (I * (1 / U))) |^ W = 1 + (((T8 * 2) * W) * (1 / U)) by Th9;
A207: ((U + 1) |^ W) / (U |^ Wk) = (U |^ k) * (((U + 1) |^ W) / ((U |^ Wk) * (U |^ k))) by A7, XCMPLX_1:92
.= (U |^ k) * (((U + 1) |^ W) / (U |^ (Wk + k))) by NEWTON:8
.= (U |^ k) * (1 + (((T8 * 2) * W) * (1 / U))) by A206, A205, PREPOWER:8 ;
A208: |.2.| = 2 ;
A209: (2 * W) / U <= 1 by XREAL_1:183, A80;
then A210: - ((2 * W) / U) >= - 1 by XREAL_1:24;
( - 1 <= T8 & T8 <= 1 ) by Def1;
then ( (- 1) * ((2 * W) / U) <= T8 * ((2 * W) / U) & T8 * ((2 * W) / U) <= 1 * ((2 * W) / U) ) by XREAL_1:64;
then ( - 1 <= T8 * ((2 * W) / U) & T8 * ((2 * W) / U) <= 1 ) by A209, A210, XXREAL_0:2;
then A211: ( (- 1) + 1 <= (T8 * ((2 * W) / U)) + 1 & (T8 * ((2 * W) / U)) + 1 <= 1 + 1 ) by XREAL_1:6;
A212: (2 * W) * (1 / U) = (2 * W) / U by XCMPLX_1:99;
then |.(1 + (((T8 * 2) * W) * (1 / U))).| = 1 + (((T8 * 2) * W) * (1 / U)) by A211, ABSVALUE:def 1;
then consider T9 being _Theta such that
A213: T7 * (1 + (((T8 * 2) * W) * (1 / U))) = T9 * 2 by Th2, A208, A211, A212;
A214: ((U |^ k) * (1 + (((T8 * 2) * W) * (1 / U)))) * (T7 * ((5 * k) / M)) = ((U |^ k) * ((1 + (((T8 * 2) * W) * (1 / U))) * T7)) * ((5 * k) / M)
.= ((U |^ k) * (2 * T9)) * ((5 * k) / M) by A213
.= T9 * (((U |^ k) * 2) * ((5 * k) / M))
.= T9 * ((((U |^ k) * 2) * (5 * k)) / M) by XCMPLX_1:74 ;
A215: (1 / (U |^ (Wk + 1))) * U = (1 / (U * (U |^ Wk))) * U by NEWTON:6
.= 1 / (U |^ Wk) by XCMPLX_1:92, A7 ;
A216: (Sum ((1 / (U |^ (Wk + 1))) * IWW)) * U = U * ((1 / (U |^ (Wk + 1))) * (Sum IWW)) by RVSUM_1:87;
IWW <> {} by A139;
then consider iww being FinSequence of REAL , x being Element of REAL such that
A217: IWW = <*x*> ^ iww by FINSEQ_2:130;
1 <= Wk + 1 by NAT_1:11;
then A218: (W choose (k + 0)) * (U |^ (W -' (k + 0))) = IWW . (0 + 1) by A159, A138, A134, A137, FINSEQ_3:25
.= x by A217 ;
reconsider Wk1 = Wk - 1 as Nat by A14;
A219: len <*x*> = 1 by FINSEQ_1:40;
then Wk + 1 = 1 + (len iww) by A217, A138, A134, A137, FINSEQ_1:22;
then A220: len iww = (W - (k + 1)) + 1 ;
for i being Nat st i + 1 in dom iww holds
iww . (i + 1) = (W choose ((k + 1) + i)) * (U |^ (W -' ((k + 1) + i)))
proof
let i be Nat; :: thesis: ( i + 1 in dom iww implies iww . (i + 1) = (W choose ((k + 1) + i)) * (U |^ (W -' ((k + 1) + i))) )
assume A221: i + 1 in dom iww ; :: thesis: iww . (i + 1) = (W choose ((k + 1) + i)) * (U |^ (W -' ((k + 1) + i)))
iww . (i + 1) = IWW . (1 + (i + 1)) by A217, A219, A221, FINSEQ_1:def 7
.= (W choose (k + (i + 1))) * (U |^ (W -' (k + (i + 1)))) by A159, FINSEQ_1:28, A221, A217, A219 ;
hence iww . (i + 1) = (W choose ((k + 1) + i)) * (U |^ (W -' ((k + 1) + i))) ; :: thesis: verum
end;
then A222: ( 0 < Sum iww & Sum iww < (2 * (W |^ (k + 1))) * (U |^ (W -' (k + 1))) ) by Th14, A12, A6, A89, A220;
A223: (1 / (U |^ Wk)) * x = ((1 / (U |^ Wk)) * (U |^ Wk)) * (W choose k) by A218, A165
.= 1 * (W choose k) by A7, XCMPLX_1:87 ;
Sum IWW = x + (Sum iww) by A217, RVSUM_1:76;
then A224: (Sum ((1 / (U |^ (Wk + 1))) * IWW)) * U = (W choose k) + ((1 / (U |^ Wk)) * (Sum iww)) by A216, A215, A223;
A225: ( W -' (k + 1) = W - (k + 1) & W - (k + 1) = Wk1 ) by A6, A12, XREAL_1:233;
Wk = Wk1 + 1 ;
then A226: (1 / (U |^ Wk)) * (U |^ (W -' (k + 1))) = (1 / (U * (U |^ Wk1))) * (U |^ Wk1) by A225, NEWTON:6
.= 1 / U by XCMPLX_1:92, A7 ;
(1 / (U |^ Wk)) * (Sum iww) < (1 / (U |^ Wk)) * ((2 * (W |^ (k + 1))) * (U |^ (W -' (k + 1)))) by A222, XREAL_1:68, A7;
then consider T10 being _Theta such that
A227: I * ((1 / (U |^ Wk)) * (Sum iww)) = T10 * ((2 * (W |^ (k + 1))) * (1 / U)) by A226, A222, Th5;
A228: ( (Wk + k) choose k >= Wk + 1 & Wk + 1 > Wk ) by NAT_1:14, A1, NAT_1:13, RAMSEY_1:11;
then W choose k >= 1 by NAT_1:14;
then reconsider T12 = 1 / (W choose k) as _Theta by Def1, XREAL_1:183;
A229: (W choose k) * T12 = 1 by XCMPLX_1:87, A228;
consider T11 being _Theta such that
A230: (T10 * ((2 * (W |^ (k + 1))) * (1 / U))) + (T9 * ((((U |^ k) * 10) * k) / M)) = T11 * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M)) by Th6;
(Z + (Sum ((1 / (U |^ (Wk + 1))) * IWW))) * U = (((U + 1) |^ W) / ((U |^ Wk) * U)) * U by A167, NEWTON:6
.= ((U + 1) |^ W) / (U |^ Wk) by XCMPLX_1:92, A7 ;
then A231: (r / (S * T)) - (m * U) = ((Sum ((1 / (U |^ (Wk + 1))) * IWW)) * U) + ((((U + 1) |^ W) / (U |^ Wk)) * (T7 * ((5 * k) / M))) by A204, A132
.= ((W choose k) + (T10 * ((2 * (W |^ (k + 1))) * (1 / U)))) + (T9 * ((((U |^ k) * 10) * k) / M)) by A214, A207, A227, A224
.= (W choose k) + (T11 * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M))) by A230
.= (W choose k) + ((((W choose k) * T12) * T11) * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M))) by A229
.= (W choose k) * (1 + ((T12 * T11) * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M)))) ;
consider T131 being _Theta such that
A232: W choose k = ((W |^ k) / (k !)) * (1 + (T131 * ((k ^2) / W))) by A188, A187, XXREAL_0:2, Th8;
consider T13 being _Theta such that
A233: 1 / (1 + (T131 * ((k ^2) / W))) = 1 + ((T13 * 2) * ((k ^2) / W)) by Th7, A189;
A234: 1 / (((W |^ k) / (k !)) * (1 + (T131 * ((k ^2) / W)))) = (1 / ((W |^ k) / (k !))) * (1 / (1 + (T131 * ((k ^2) / W)))) by XCMPLX_1:102
.= ((k !) / (W |^ k)) * (1 / (1 + (T131 * ((k ^2) / W)))) by XCMPLX_1:57 ;
consider T14 being _Theta such that
A235: 1 / (1 + ((T12 * T11) * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M)))) = 1 + ((T14 * 2) * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M))) by Th7, A197;
A236: ((k !) / (W |^ k)) * (W |^ k) = k ! by XCMPLX_1:87, A1, A6;
consider T15 being _Theta such that
A237: (1 + (T14 * (2 * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M))))) * (1 + (T13 * (2 * ((k ^2) / W)))) = 1 + (T15 * ((2 * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M))) + (2 * (2 * ((k ^2) / W))))) by A200, Th3;
T15 >= - 1 by Def1;
then ( T15 * ((2 * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M))) + (2 * (2 * ((k ^2) / W)))) >= (- 1) * ((2 * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M))) + (2 * (2 * ((k ^2) / W)))) & (- 1) * ((2 * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M))) + (2 * (2 * ((k ^2) / W)))) >= (- 1) * (1 / 2) ) by A199, XREAL_1:64, XREAL_1:65;
then T15 * ((2 * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M))) + (2 * (2 * ((k ^2) / W)))) >= - (1 / 2) by XXREAL_0:2;
then ( 1 + (T15 * ((2 * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M))) + (2 * (2 * ((k ^2) / W))))) >= 1 + (- (1 / 2)) & 1 + (- (1 / 2)) = 1 / 2 ) by XREAL_1:6;
then A238: (k !) * (1 + (T15 * ((2 * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M))) + (2 * (2 * ((k ^2) / W)))))) >= (k !) * (1 / 2) by XREAL_1:64;
A239: 1 * (u / ((r / (S * T)) - (m * U))) = ((1 / ((r / (S * T)) - (m * U))) * 1) * u by XCMPLX_1:101
.= ((((k !) / (W |^ k)) * (1 / (1 + (T131 * ((k ^2) / W))))) * (1 + ((T14 * 2) * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M))))) * (W |^ k) by A117, A232, A234, A235, A231, XCMPLX_1:102
.= (k !) * ((1 + (T13 * (2 * ((k ^2) / W)))) * (1 + (T14 * (2 * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M)))))) by A236, A233
.= (k !) * (1 + (T15 * ((2 * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M))) + (2 * (2 * ((k ^2) / W)))))) by A237 ;
then A240: (u / ((r / (S * T)) - (m * U))) - f >= ((k !) * (1 / 2)) - f by A238, XREAL_1:9;
(1 / 2) ^2 = (1 / 2) * (1 / 2) by SQUARE_1:def 1;
then ((u / ((r / (S * T)) - (m * U))) - f) ^2 < (1 / 2) ^2 by A25, SQUARE_1:def 1;
then A241: ( - (1 / 2) < (u / ((r / (S * T)) - (m * U))) - f & (u / ((r / (S * T)) - (m * U))) - f < 1 / 2 ) by SQUARE_1:48;
then ((k !) * (1 / 2)) - f < 1 / 2 by A240, XXREAL_0:2;
then ( (((k !) * (1 / 2)) - f) * 2 < (1 / 2) * 2 & (1 / 2) * 2 = 1 ) by XREAL_1:68;
then ( (k !) - (f * 2) = (((k !) * (1 / 2)) * 2) - (f * 2) & (((k !) * (1 / 2)) * 2) - (f * 2) < (1 / 2) * 2 & (1 / 2) * 2 = 1 + 0 ) ;
then (k !) - (f * 2) <= 0 by INT_1:7;
then ((k !) - (f * 2)) + (2 * f) <= 0 + (2 * f) by XREAL_1:6;
then reconsider T16 = (k !) / (2 * f) as _Theta by Def1, XREAL_1:183;
A242: (2 * f) * ((2 * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M))) + (2 * (2 * ((k ^2) / W)))) = ((((8 * f) * (W |^ (k + 1))) * (1 / U)) + ((4 * f) * ((((U |^ k) * 10) * k) / M))) + ((2 * f) * (2 * (2 * ((k ^2) / W))))
.= ((((8 * f) * (W |^ (k + 1))) / U) + ((4 * f) * ((((U |^ k) * 10) * k) / M))) + ((8 * f) * ((k ^2) / W)) by XCMPLX_1:99
.= ((((8 * f) * (W |^ (k + 1))) / U) + (((4 * f) * (((U |^ k) * 10) * k)) / M)) + ((8 * f) * ((k ^2) / W)) by XCMPLX_1:74
.= ((((8 * f) * (W |^ (k + 1))) / U) + ((((40 * f) * (U |^ k)) * k) / M)) + (((8 * f) * (k ^2)) / W) by XCMPLX_1:74 ;
k ! = T16 * (2 * f) by XCMPLX_1:87, A1;
then A243: u / ((r / (S * T)) - (m * U)) = (k !) + ((T15 * T16) * ((2 * f) * ((2 * (((2 * (W |^ (k + 1))) * (1 / U)) + ((((U |^ k) * 10) * k) / M))) + (2 * (2 * ((k ^2) / W)))))) by A239
.= (k !) + ((T15 * T16) * (((((8 * f) * (W |^ (k + 1))) / U) + ((((40 * f) * (U |^ k)) * k) / M)) + (((8 * f) * (k ^2)) / W))) by A242 ;
6 * (((40 * f) * (U |^ k)) * k) < 1 * M by A182, A181, XXREAL_0:2;
then A244: (((40 * f) * (U |^ k)) * k) / M < 1 / 6 by XREAL_1:106;
(((8 * f) * (W |^ (k + 1))) / U) + (((8 * f) * (k ^2)) / W) <= (1 / 12) + (1 / 12) by A185, A194, XREAL_1:7;
then A245: ((((8 * f) * (W |^ (k + 1))) / U) + (((8 * f) * (k ^2)) / W)) + ((((40 * f) * (U |^ k)) * k) / M) < ((1 / 12) + (1 / 12)) + (1 / 6) by A244, XREAL_1:8;
( - 1 <= T15 * T16 & T15 * T16 <= 1 ) by Def1;
then ( (1 / 3) * (- 1) < (- 1) * (((((8 * f) * (W |^ (k + 1))) / U) + ((((40 * f) * (U |^ k)) * k) / M)) + (((8 * f) * (k ^2)) / W)) & (- 1) * (((((8 * f) * (W |^ (k + 1))) / U) + ((((40 * f) * (U |^ k)) * k) / M)) + (((8 * f) * (k ^2)) / W)) <= (T15 * T16) * (((((8 * f) * (W |^ (k + 1))) / U) + ((((40 * f) * (U |^ k)) * k) / M)) + (((8 * f) * (k ^2)) / W)) & (T15 * T16) * (((((8 * f) * (W |^ (k + 1))) / U) + ((((40 * f) * (U |^ k)) * k) / M)) + (((8 * f) * (k ^2)) / W)) <= 1 * (((((8 * f) * (W |^ (k + 1))) / U) + ((((40 * f) * (U |^ k)) * k) / M)) + (((8 * f) * (k ^2)) / W)) & 1 * (((((8 * f) * (W |^ (k + 1))) / U) + ((((40 * f) * (U |^ k)) * k) / M)) + (((8 * f) * (k ^2)) / W)) < 1 / 3 ) by A245, XREAL_1:64, XREAL_1:69;
then ( (1 / 3) * (- 1) < (T15 * T16) * (((((8 * f) * (W |^ (k + 1))) / U) + ((((40 * f) * (U |^ k)) * k) / M)) + (((8 * f) * (k ^2)) / W)) & (T15 * T16) * (((((8 * f) * (W |^ (k + 1))) / U) + ((((40 * f) * (U |^ k)) * k) / M)) + (((8 * f) * (k ^2)) / W)) < 1 / 3 ) by XXREAL_0:2;
then ( (- (1 / 3)) + (k !) < u / ((r / (S * T)) - (m * U)) & u / ((r / (S * T)) - (m * U)) < (1 / 3) + (k !) ) by A243, XREAL_1:6;
then ( ((- (1 / 3)) + (k !)) - (1 / 2) < (u / ((r / (S * T)) - (m * U))) - ((u / ((r / (S * T)) - (m * U))) - f) & (u / ((r / (S * T)) - (m * U))) - ((u / ((r / (S * T)) - (m * U))) - f) < ((1 / 3) + (k !)) - (- (1 / 2)) ) by A241, XREAL_1:15;
then ( ((- (5 / 6)) + (k !)) - (k !) < f - (k !) & f - (k !) < ((k !) + (5 / 6)) - (k !) ) by XREAL_1:9;
then ( (- 1) + 0 < f - (k !) & f - (k !) < 1 + 0 ) by XXREAL_0:2;
then ( (- 1) + 1 <= f - (k !) & f - (k !) <= 0 ) by INT_1:7;
then f - (k !) = 0 ;
hence f = k ! ; :: thesis: verum