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