let D be non empty set ; for d being Element of D
for F, G being BinOp of D
for p being FinSequence of D st F is commutative & F is associative & F is having_a_unity & F is having_an_inverseOp & G is_distributive_wrt F holds
G . d,(F "**" p) = F "**" (G [;] d,p)
let d be Element of D; for F, G being BinOp of D
for p being FinSequence of D st F is commutative & F is associative & F is having_a_unity & F is having_an_inverseOp & G is_distributive_wrt F holds
G . d,(F "**" p) = F "**" (G [;] d,p)
let F, G be BinOp of D; for p being FinSequence of D st F is commutative & F is associative & F is having_a_unity & F is having_an_inverseOp & G is_distributive_wrt F holds
G . d,(F "**" p) = F "**" (G [;] d,p)
let p be FinSequence of D; ( F is commutative & F is associative & F is having_a_unity & F is having_an_inverseOp & G is_distributive_wrt F implies G . d,(F "**" p) = F "**" (G [;] d,p) )
assume that
A1:
( F is commutative & F is associative & F is having_a_unity )
and
A2:
F is having_an_inverseOp
and
A3:
G is_distributive_wrt F
; G . d,(F "**" p) = F "**" (G [;] d,p)
set e = the_unity_wrt F;
G . d,(the_unity_wrt F) = the_unity_wrt F
by A1, A2, A3, FINSEQOP:70;
hence
G . d,(F "**" p) = F "**" (G [;] d,p)
by A1, A3, Th49; verum