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Proof step 19 from proof min-stutters (previous step)

# nσ = ∞ ∨ ¬ nσ[(# nσ).n - 1] < n, ⌜min(nσ, n)⌝ < # nσ ∧ n ≤ nσ[min(nσ, n)] ∧ (∀ m. ⌜m⌝ < # nσ ∧ n ≤ nσ[m] → min(nσ, n) ≤ m), mon<(nσ), n < nσ[min(nσ, n + 1)], ⌜min(nσ, n + 1)⌝ < # nσ, ∀ m. ⌜m⌝ < # nσ ∧ n < nσ[m] → min(nσ, n + 1) ≤ m, # nσ = ∞ ∨ n < nσ[(# nσ).n - 1] ⊦ nσ = [], min(nσ, n + 1) = min(nσ, n), min(nσ, n + 1) = 1 + min(nσ, n)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 20:
⌜min(nσ, n)⌝ < # nσ, n ≤ nσ[min(nσ, n)], mon<(nσ), n < nσ[min(nσ, n + 1)], ⌜min(nσ, n + 1)⌝ < # nσ, # nσ = ∞ ∨ ¬ nσ[(# nσ).n - 1] < n, ∀ m. ⌜m⌝ < # nσ ∧ n ≤ nσ[m] → min(nσ, n) ≤ m, ∀ m. ⌜m⌝ < # nσ ∧ n < nσ[m] → min(nσ, n + 1) ≤ m, # nσ = ∞ ∨ n < nσ[(# nσ).n - 1] ⊦ nσ = [], min(nσ, n + 1) = min(nσ, n), min(nσ, n + 1) = 1 + min(nσ, n)

Proof step 19 from proof min-stutters (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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