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Proof step 5 from proof lsleninv-1 (previous step)

m0 = 0, ⌜m0⌝ = leninv(nσ), stutf(nσ), ⌜m⌝ < # nσ, n < nσ[m], m0 ≤ n, m0 < nσ[m] ⊦

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
⌜0⌝ = leninv(nσ), stutf(nσ), ⌜m⌝ < # nσ, n < nσ[m] ⊦

Rule argument

Additional information

Used simplifier rules: f: ⊦ m < n → n ≠ 0; from specification nat-basic1%zero: ⊦ 0 < m ↔ m ≠ 0; from specification nat-basic1%lez: ⊦ 0 ≤ m; from specification nat