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Proof step 107 from proof leninv-succ (previous step)

# nσ = ⌜m1⌝ + ⌜1⌝ , nσ[m0] = m - 1, stutf(nσ), nσ[m1] + 1 < m, m0 ≤ m1 ⊦ m = 0

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 108:
m = m2 + 1, # nσ = ⌜m1⌝ + ⌜1⌝ , nσ[m0] = m2, stutf(nσ), nσ[m1] + 1 < m, m0 ≤ m1 ⊦ m = 0

Rule argument

spec: nat inst: name: elim-pred-c seq: n ≠ 0 ⊦ m = n - 1 ↔ n = m + 1 subst: [n, m] → [m, m2] flags:

Additional information

Used simplifier rules: n ≠ 0 ⊦ m = n - 1 ↔ n = m + 1; (elim) Used terms: m, m2