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