let S be non empty non void bool-correct 4,1 integer BoolSignature ; for X being non-empty ManySortedSet of the carrier of S
for T being b1,S -terms all_vars_including inheriting_operations free_in_itself vf-free integer VarMSAlgebra over S
for C being bool-correct 4,1 integer image of T
for h being ManySortedFunction of T,C st h is_homomorphism T,C holds
for a being SortSymbol of S
for t being Element of T,a holds t value_at (C,(h || (FreeGen T))) = (h . a) . t
let X be non-empty ManySortedSet of the carrier of S; for T being X,S -terms all_vars_including inheriting_operations free_in_itself vf-free integer VarMSAlgebra over S
for C being bool-correct 4,1 integer image of T
for h being ManySortedFunction of T,C st h is_homomorphism T,C holds
for a being SortSymbol of S
for t being Element of T,a holds t value_at (C,(h || (FreeGen T))) = (h . a) . t
let T be X,S -terms all_vars_including inheriting_operations free_in_itself vf-free integer VarMSAlgebra over S; for C being bool-correct 4,1 integer image of T
for h being ManySortedFunction of T,C st h is_homomorphism T,C holds
for a being SortSymbol of S
for t being Element of T,a holds t value_at (C,(h || (FreeGen T))) = (h . a) . t
let C be bool-correct 4,1 integer image of T; for h being ManySortedFunction of T,C st h is_homomorphism T,C holds
for a being SortSymbol of S
for t being Element of T,a holds t value_at (C,(h || (FreeGen T))) = (h . a) . t
let h be ManySortedFunction of T,C; ( h is_homomorphism T,C implies for a being SortSymbol of S
for t being Element of T,a holds t value_at (C,(h || (FreeGen T))) = (h . a) . t )
assume A1:
h is_homomorphism T,C
; for a being SortSymbol of S
for t being Element of T,a holds t value_at (C,(h || (FreeGen T))) = (h . a) . t
set s = h || (FreeGen T);
let a be SortSymbol of S; for t being Element of T,a holds t value_at (C,(h || (FreeGen T))) = (h . a) . t
let t be Element of T,a; t value_at (C,(h || (FreeGen T))) = (h . a) . t
FreeGen T is_transformable_to the Sorts of C
by MSAFREE4:21;
then A2:
doms (h || (FreeGen T)) = FreeGen T
by MSSUBFAM:17;
thus
t value_at (C,(h || (FreeGen T))) = (h . a) . t
by A2, A1, AOFA_A00:def 21; verum