| ∀ n0. n0 < n → (true → n0 + 1 = lead(n0) * 2 ^ #fz(n0)) ⊦ even(n), n + 1 = lead(n) * 2 ^ #fz(n) |
odd(n), ∀ n0. n0 < n → (true → n0 + 1 = lead(n0) * 2 ^ #fz(n0)) ⊦ n + 1 = lead(n) * 2 ^ #fz(n)
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ even(n) ↔ odd(n)])]]