let E be set ; :: thesis: for A being Subset of (E ^omega)
for n being Nat holds (A ?) |^ (0,n) = A |^ (0,n)
let A be Subset of (E ^omega); :: thesis: for n being Nat holds (A ?) |^ (0,n) = A |^ (0,n)
let n be Nat; :: thesis: (A ?) |^ (0,n) = A |^ (0,n)
thus (A ?) |^ (0,n) = (A ?) |^ n by Th94
.= A |^ (0,n) by Th95 ; :: thesis: verum