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Proof step 2 from proof lsleninv-3 (
previous step
)
# nσ = # nσ0, # nσ0 = ⌜m⌝ + ⌜1⌝ , n < nσ[m], stutf(nσ) ⊦ nσ[m] = 0, ⌜n⌝ < leninv(nσ)
User applied rule insert rewrite lemma
And obtained the following new goals
Proof step 3
:
⊦ n < nσ[m] ∧ # nσ = ⌜m⌝ + ⌜1⌝ ∧ stutf(nσ) → (¬ ⌜n⌝ < leninv(nσ) ↔ false)
Rule argument
spec: inst: name: lsleninv-2 seq: ⊦ n < nσ[m] ∧ # nσ = ⌜m⌝ + ⌜1⌝ ∧ stutf(nσ) → (¬ ⌜n⌝ < leninv(nσ) ↔ false) subst: [m, nσ, n] → [m, nσ, n] flags: rewrite, current
Additional information
Used terms: m, nσ, n