| odd(n), 2 * m0 + 2 = n * 2^ n0, #fz(m0) + 1 < n0, ∀ m1, n, n0. m1 < m0 + m0 + 1 → (m1 + 1 = n * 2^ n0 ∧ #fz(m1) < n0 → false) ⊦ |
⊦ odd(n) ↔ (∃ m. n = m + m + 1)
∃ m. n = m + m + 1, 2 * m0 + 2 = n * 2^ n0, #fz(m0) + 1 < n0, ∀ m1, n, n0. m1 < m0 + m0 + 1 → (m1 + 1 = n * 2^ n0 ∧ #fz(m1) < n0 → false) ⊦
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (n)]]