let R be Ring; for n being Nat
for G being b1,R -linear Group holds inverse_op G = (inverse_op (GL (n,R))) | the carrier of G
let n be Nat; for G being n,R -linear Group holds inverse_op G = (inverse_op (GL (n,R))) | the carrier of G
let G be n,R -linear Group; inverse_op G = (inverse_op (GL (n,R))) | the carrier of G
set UG = the carrier of G;
set UMG = the carrier of multMagma(# the carrier of G, the multF of G #);
A1:
multMagma(# the carrier of G, the multF of G #) is Subgroup of GL (n,R)
by Def13;
thus inverse_op G =
inverse_op multMagma(# the carrier of G, the multF of G #)
by Th162
.=
(inverse_op (GL (n,R))) | the carrier of G
by A1, GROUP_2:49
; verum