let cn be Real; :: thesis: ( - 1 < cn & cn < 1 implies ( cn -FanMorphN is Function of (TOP-REAL 2),(TOP-REAL 2) & rng (cn -FanMorphN) = the carrier of (TOP-REAL 2) ) )
assume that
A1: - 1 < cn and
A2: cn < 1 ; :: thesis: ( cn -FanMorphN is Function of (TOP-REAL 2),(TOP-REAL 2) & rng (cn -FanMorphN) = the carrier of (TOP-REAL 2) )
thus cn -FanMorphN is Function of (TOP-REAL 2),(TOP-REAL 2) ; :: thesis: rng (cn -FanMorphN) = the carrier of (TOP-REAL 2)
for f being Function of (TOP-REAL 2),(TOP-REAL 2) st f = cn -FanMorphN holds
rng (cn -FanMorphN) = the carrier of (TOP-REAL 2)
proof
let f be Function of (TOP-REAL 2),(TOP-REAL 2); :: thesis: ( f = cn -FanMorphN implies rng (cn -FanMorphN) = the carrier of (TOP-REAL 2) )
assume A3: f = cn -FanMorphN ; :: thesis: rng (cn -FanMorphN) = the carrier of (TOP-REAL 2)
A4: dom f = the carrier of (TOP-REAL 2) by FUNCT_2:def 1;
the carrier of (TOP-REAL 2) c= rng f
proof
let y be object ; :: according to TARSKI:def 3 :: thesis: ( not y in the carrier of (TOP-REAL 2) or y in rng f )
assume y in the carrier of (TOP-REAL 2) ; :: thesis: y in rng f
then reconsider p2 = y as Point of (TOP-REAL 2) ;
set q = p2;
now :: thesis: ( ( p2 `2 <= 0 & ex x being set st
( x in dom (cn -FanMorphN) & y = (cn -FanMorphN) . x ) ) or ( (p2 `1) / |.p2.| >= 0 & p2 `2 >= 0 & p2 <> 0. (TOP-REAL 2) & ex x being set st
( x in dom (cn -FanMorphN) & y = (cn -FanMorphN) . x ) ) or ( (p2 `1) / |.p2.| < 0 & p2 `2 >= 0 & p2 <> 0. (TOP-REAL 2) & ex x being set st
( x in dom (cn -FanMorphN) & y = (cn -FanMorphN) . x ) ) )
per cases ( p2 `2 <= 0 or ( (p2 `1) / |.p2.| >= 0 & p2 `2 >= 0 & p2 <> 0. (TOP-REAL 2) ) or ( (p2 `1) / |.p2.| < 0 & p2 `2 >= 0 & p2 <> 0. (TOP-REAL 2) ) ) by JGRAPH_2:3;
case p2 `2 <= 0 ; :: thesis: ex x being set st
( x in dom (cn -FanMorphN) & y = (cn -FanMorphN) . x )

then y = (cn -FanMorphN) . p2 by Th49;
hence ex x being set st
( x in dom (cn -FanMorphN) & y = (cn -FanMorphN) . x ) by A3, A4; :: thesis: verum
end;
case A5: ( (p2 `1) / |.p2.| >= 0 & p2 `2 >= 0 & p2 <> 0. (TOP-REAL 2) ) ; :: thesis: ex x being set st
( x in dom (cn -FanMorphN) & y = (cn -FanMorphN) . x )

- (- (1 + cn)) > 0 by A1, XREAL_1:148;
then A6: - ((- 1) - cn) > 0 ;
A7: 1 - cn >= 0 by A2, XREAL_1:149;
then ((p2 `1) / |.p2.|) * (1 - cn) >= 0 by A5;
then (- 1) - cn <= ((p2 `1) / |.p2.|) * (1 - cn) by A6;
then A8: ((- 1) - cn) + cn <= (((p2 `1) / |.p2.|) * (1 - cn)) + cn by XREAL_1:7;
set px = |[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|;
A9: |[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]| `1 = |.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn) by EUCLID:52;
|.p2.| <> 0 by A5, TOPRNS_1:24;
then A10: |.p2.| ^2 > 0 by SQUARE_1:12;
A11: dom (cn -FanMorphN) = the carrier of (TOP-REAL 2) by FUNCT_2:def 1;
A12: 1 - cn > 0 by A2, XREAL_1:149;
0 <= (p2 `2) ^2 by XREAL_1:63;
then ( |.p2.| ^2 = ((p2 `1) ^2) + ((p2 `2) ^2) & 0 + ((p2 `1) ^2) <= ((p2 `1) ^2) + ((p2 `2) ^2) ) by JGRAPH_3:1, XREAL_1:7;
then ((p2 `1) ^2) / (|.p2.| ^2) <= (|.p2.| ^2) / (|.p2.| ^2) by XREAL_1:72;
then ((p2 `1) ^2) / (|.p2.| ^2) <= 1 by A10, XCMPLX_1:60;
then ((p2 `1) / |.p2.|) ^2 <= 1 by XCMPLX_1:76;
then (p2 `1) / |.p2.| <= 1 by SQUARE_1:51;
then ((p2 `1) / |.p2.|) * (1 - cn) <= 1 * (1 - cn) by A12, XREAL_1:64;
then ((((p2 `1) / |.p2.|) * (1 - cn)) + cn) - cn <= 1 - cn ;
then (((p2 `1) / |.p2.|) * (1 - cn)) + cn <= 1 by XREAL_1:9;
then 1 ^2 >= ((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2 by A8, SQUARE_1:49;
then A13: 1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2) >= 0 by XREAL_1:48;
then A14: sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2)) >= 0 by SQUARE_1:def 2;
A15: |[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]| `2 = |.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))) by EUCLID:52;
then |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| ^2 = ((|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2)))) ^2) + ((|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)) ^2) by A9, JGRAPH_3:1
.= ((|.p2.| ^2) * ((sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))) ^2)) + ((|.p2.| ^2) * (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2)) ;
then A16: |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| ^2 = ((|.p2.| ^2) * (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))) + ((|.p2.| ^2) * (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2)) by A13, SQUARE_1:def 2
.= |.p2.| ^2 ;
then A17: |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| = sqrt (|.p2.| ^2) by SQUARE_1:22
.= |.p2.| by SQUARE_1:22 ;
then A18: |[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]| <> 0. (TOP-REAL 2) by A5, TOPRNS_1:23, TOPRNS_1:24;
(((p2 `1) / |.p2.|) * (1 - cn)) + cn >= 0 + cn by A5, A7, XREAL_1:7;
then (|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]| `1) / |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| >= cn by A5, A9, A17, TOPRNS_1:24, XCMPLX_1:89;
then A19: (cn -FanMorphN) . |[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]| = |[(|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| * ((((|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]| `1) / |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.|) - cn) / (1 - cn))),(|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| * (sqrt (1 - (((((|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]| `1) / |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.|) - cn) / (1 - cn)) ^2))))]| by A1, A2, A15, A14, A18, Th51;
A20: |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| * (sqrt (((p2 `2) / |.p2.|) ^2)) = |.p2.| * ((p2 `2) / |.p2.|) by A5, A17, SQUARE_1:22
.= p2 `2 by A5, TOPRNS_1:24, XCMPLX_1:87 ;
A21: |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| * ((((|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]| `1) / |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.|) - cn) / (1 - cn)) = |.p2.| * ((((((p2 `1) / |.p2.|) * (1 - cn)) + cn) - cn) / (1 - cn)) by A5, A9, A17, TOPRNS_1:24, XCMPLX_1:89
.= |.p2.| * ((p2 `1) / |.p2.|) by A12, XCMPLX_1:89
.= p2 `1 by A5, TOPRNS_1:24, XCMPLX_1:87 ;
then |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| * (sqrt (1 - (((((|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]| `1) / |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.|) - cn) / (1 - cn)) ^2))) = |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| * (sqrt (1 - (((p2 `1) / |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.|) ^2))) by A5, A17, TOPRNS_1:24, XCMPLX_1:89
.= |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| * (sqrt (1 - (((p2 `1) ^2) / (|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| ^2)))) by XCMPLX_1:76
.= |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| * (sqrt (((|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| ^2) / (|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| ^2)) - (((p2 `1) ^2) / (|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| ^2)))) by A10, A16, XCMPLX_1:60
.= |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| * (sqrt (((|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| ^2) - ((p2 `1) ^2)) / (|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| ^2))) by XCMPLX_1:120
.= |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| * (sqrt (((((p2 `1) ^2) + ((p2 `2) ^2)) - ((p2 `1) ^2)) / (|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| ^2))) by A16, JGRAPH_3:1
.= |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 - cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 - cn)) + cn) ^2))))]|.| * (sqrt (((p2 `2) / |.p2.|) ^2)) by A17, XCMPLX_1:76 ;
hence ex x being set st
( x in dom (cn -FanMorphN) & y = (cn -FanMorphN) . x ) by A19, A21, A20, A11, EUCLID:53; :: thesis: verum
end;
case A22: ( (p2 `1) / |.p2.| < 0 & p2 `2 >= 0 & p2 <> 0. (TOP-REAL 2) ) ; :: thesis: ex x being set st
( x in dom (cn -FanMorphN) & y = (cn -FanMorphN) . x )

A23: 1 + cn >= 0 by A1, XREAL_1:148;
1 - cn > 0 by A2, XREAL_1:149;
then A24: (1 - cn) + cn >= (((p2 `1) / |.p2.|) * (1 + cn)) + cn by A22, A23, XREAL_1:7;
A25: 1 + cn > 0 by A1, XREAL_1:148;
|.p2.| <> 0 by A22, TOPRNS_1:24;
then A26: |.p2.| ^2 > 0 by SQUARE_1:12;
0 <= (p2 `2) ^2 by XREAL_1:63;
then ( |.p2.| ^2 = ((p2 `1) ^2) + ((p2 `2) ^2) & 0 + ((p2 `1) ^2) <= ((p2 `1) ^2) + ((p2 `2) ^2) ) by JGRAPH_3:1, XREAL_1:7;
then ((p2 `1) ^2) / (|.p2.| ^2) <= (|.p2.| ^2) / (|.p2.| ^2) by XREAL_1:72;
then ((p2 `1) ^2) / (|.p2.| ^2) <= 1 by A26, XCMPLX_1:60;
then ((p2 `1) / |.p2.|) ^2 <= 1 by XCMPLX_1:76;
then (p2 `1) / |.p2.| >= - 1 by SQUARE_1:51;
then ((p2 `1) / |.p2.|) * (1 + cn) >= (- 1) * (1 + cn) by A25, XREAL_1:64;
then ((((p2 `1) / |.p2.|) * (1 + cn)) + cn) - cn >= (- 1) - cn ;
then (((p2 `1) / |.p2.|) * (1 + cn)) + cn >= - 1 by XREAL_1:9;
then 1 ^2 >= ((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2 by A24, SQUARE_1:49;
then A27: 1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2) >= 0 by XREAL_1:48;
then A28: sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2)) >= 0 by SQUARE_1:def 2;
A29: dom (cn -FanMorphN) = the carrier of (TOP-REAL 2) by FUNCT_2:def 1;
set px = |[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|;
A30: |[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]| `1 = |.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn) by EUCLID:52;
A31: |[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]| `2 = |.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))) by EUCLID:52;
then |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| ^2 = ((|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2)))) ^2) + ((|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)) ^2) by A30, JGRAPH_3:1
.= ((|.p2.| ^2) * ((sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))) ^2)) + ((|.p2.| ^2) * (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2)) ;
then A32: |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| ^2 = ((|.p2.| ^2) * (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))) + ((|.p2.| ^2) * (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2)) by A27, SQUARE_1:def 2
.= |.p2.| ^2 ;
then A33: |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| = sqrt (|.p2.| ^2) by SQUARE_1:22
.= |.p2.| by SQUARE_1:22 ;
then A34: |[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]| <> 0. (TOP-REAL 2) by A22, TOPRNS_1:23, TOPRNS_1:24;
(((p2 `1) / |.p2.|) * (1 + cn)) + cn <= 0 + cn by A22, A23, XREAL_1:7;
then (|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]| `1) / |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| <= cn by A22, A30, A33, TOPRNS_1:24, XCMPLX_1:89;
then A35: (cn -FanMorphN) . |[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]| = |[(|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| * ((((|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]| `1) / |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.|) - cn) / (1 + cn))),(|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| * (sqrt (1 - (((((|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]| `1) / |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.|) - cn) / (1 + cn)) ^2))))]| by A1, A2, A31, A28, A34, Th51;
A36: |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| * (sqrt (((p2 `2) / |.p2.|) ^2)) = |.p2.| * ((p2 `2) / |.p2.|) by A22, A33, SQUARE_1:22
.= p2 `2 by A22, TOPRNS_1:24, XCMPLX_1:87 ;
A37: |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| * ((((|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]| `1) / |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.|) - cn) / (1 + cn)) = |.p2.| * ((((((p2 `1) / |.p2.|) * (1 + cn)) + cn) - cn) / (1 + cn)) by A22, A30, A33, TOPRNS_1:24, XCMPLX_1:89
.= |.p2.| * ((p2 `1) / |.p2.|) by A25, XCMPLX_1:89
.= p2 `1 by A22, TOPRNS_1:24, XCMPLX_1:87 ;
then |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| * (sqrt (1 - (((((|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]| `1) / |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.|) - cn) / (1 + cn)) ^2))) = |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| * (sqrt (1 - (((p2 `1) / |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.|) ^2))) by A22, A33, TOPRNS_1:24, XCMPLX_1:89
.= |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| * (sqrt (1 - (((p2 `1) ^2) / (|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| ^2)))) by XCMPLX_1:76
.= |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| * (sqrt (((|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| ^2) / (|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| ^2)) - (((p2 `1) ^2) / (|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| ^2)))) by A26, A32, XCMPLX_1:60
.= |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| * (sqrt (((|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| ^2) - ((p2 `1) ^2)) / (|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| ^2))) by XCMPLX_1:120
.= |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| * (sqrt (((((p2 `1) ^2) + ((p2 `2) ^2)) - ((p2 `1) ^2)) / (|.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| ^2))) by A32, JGRAPH_3:1
.= |.|[(|.p2.| * ((((p2 `1) / |.p2.|) * (1 + cn)) + cn)),(|.p2.| * (sqrt (1 - (((((p2 `1) / |.p2.|) * (1 + cn)) + cn) ^2))))]|.| * (sqrt (((p2 `2) / |.p2.|) ^2)) by A33, XCMPLX_1:76 ;
hence ex x being set st
( x in dom (cn -FanMorphN) & y = (cn -FanMorphN) . x ) by A35, A37, A36, A29, EUCLID:53; :: thesis: verum
end;
end;
end;
hence y in rng f by A3, FUNCT_1:def 3; :: thesis: verum
end;
hence rng (cn -FanMorphN) = the carrier of (TOP-REAL 2) by A3, XBOOLE_0:def 10; :: thesis: verum
end;
hence rng (cn -FanMorphN) = the carrier of (TOP-REAL 2) ; :: thesis: verum