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Proof step 2 from proof inv-sync-erase (previous step)

m < # pebs, mtd-cons(pebs) ⊦ ⟪ubi_io_sync_erase#(m; pebs; err)⟫ mtd-cons(pebs), pebs[m].bad

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 3:
m < # pebs, mtd-cons(pebs), ¬ pebs[m].bad ⊦ ⟪ubi_io_sync_erase#(m; pebs; err)⟫ mtd-cons(pebs)

Rule argument

Additional information

Used simplifier rules: ⊦ m < n → n ≠ 0; (s)%f: ⊦ m < n → n ≠ 0; (forward) from specification nat-basic