| ⌜m⌝ < # nσ, nσ[0] < n, mon<(nσ), n ≤ nσ[m] ⊦ ∃ m0. nσ[m0] < n ∧ n ≤ nσ[m0 + 1] ∧ m0 ≤ m |
nσ[0] < n, ⌜m⌝ < # nσ, nσ[0] < nσ[m], mon<(nσ), n ≤ nσ[m] ⊦ ∃ m0. nσ[m0] < n ∧ n ≤ nσ[m0 + 1] ∧ m0 ≤ m
Used simplifier rules: ⊦ m < n → n ≠ 0; (s)%fle: ⊦ m < n ∧ n ≤ n0 → m < n0; (forward) from specification nat%f: ⊦ m < n → n ≠ 0; (forward) from specification nat-basic