let m be CR_Sequence; :: thesis: for c being CR_coefficients of m
for i, j being natural number st i in dom c & j in dom c & i <> j holds
c . i, 0 are_congruent_mod m . j
let c be CR_coefficients of m; :: thesis: for i, j being natural number st i in dom c & j in dom c & i <> j holds
c . i, 0 are_congruent_mod m . j
let i, j be natural number ; :: thesis: ( i in dom c & j in dom c & i <> j implies c . i, 0 are_congruent_mod m . j )
assume AS:
( i in dom c & j in dom c & i <> j )
; :: thesis: c . i, 0 are_congruent_mod m . j
then consider s, mm being Integer such that
A:
( mm = (Product m) / (m . i) & s * mm,1 are_congruent_mod m . i & c . i = s * ((Product m) / (m . i)) )
by defCi;
len m = len c
by defCi;
then D: dom m =
Seg (len c)
by FINSEQ_1:def 3
.=
dom c
by FINSEQ_1:def 3
;
consider z being Integer such that
C:
z * (m . j) = mm
by AS, A, x0000, D;
B1:
s,s are_congruent_mod m . j
by INT_1:32;
B2:
z,z are_congruent_mod m . j
by INT_1:32;
m . j, 0 are_congruent_mod m . j
by INT_1:33;
then
z * (m . j),z * 0 are_congruent_mod m . j
by B2, INT_1:39;
then
s * mm,s * 0 are_congruent_mod m . j
by C, B1, INT_1:39;
hence
c . i, 0 are_congruent_mod m . j
by A; :: thesis: verum