| 2 ^ m0 % 2 = 0 ∨ m0 = 0 ⊦ 2 ^ m0 +1 % 2 = 0, m0 +1 = 0 |
2 ^ m0 % 2 = 0 ⊦ 2 ^ (m0 + 1) % 2 = 0, m0 = 0
Used simplifier rules: c: ⊦ m + n = n + m; from specification nat-basic%a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic% ⊦ m + 1 ≠ 0; (s)% ⊦ m +1 = m + 1; (s)