for S being non empty non void bool-correct 4,1 integer BoolSignature
for X being V3() ManySortedSet of the carrier of S
for T being b₂,b₁ -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 holds \false C = FALSE