Definition FT0b0(i: Z): int := GF_ops_LL.times2 (Znth i FSb).Definition FT0b1(i: Z): int := Znth i FSb.Definition FT0b2(i: Z): int := Znth i FSb.Definition FT0b3(i: Z): int := GF_ops_LL.times3 (Znth i FSb).

Lemma xor_assoc_5: forall i0 i1 i2 i3 i4, Int.xor (Int.xor (Int.xor (Int.xor i4 i0) i1) i2) i3 = Int.xor (Int.xor (Int.xor (Int.xor i0 i1) i2) i3) i4.