| odd(lead(m)), (m + m0) + n0 = 2^ #fz(m), m + 1 = ((m + m0) + n0) * lead(m), m + m0 = 2^ n, n < #fz(m) ⊦ m0 = 0 |
⊦ odd(n) ↔ (∃ m. n = m + m + 1)
∃ m0. lead(m) = m0 + m0 + 1, (m + m0) + n0 = 2^ #fz(m), m + 1 = ((m + m0) + n0) * lead(m), m + m0 = 2^ n, n < #fz(m) ⊦ m0 = 0
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (lead(m))]]