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Proof step 5 from proof product-equal-01 (previous step)

∀ i. i ∈ ints ↔ i ∈ ints0 ⊦ Π ints = Π ints0, dups(ints), dups(ints0), perm(ints, ints0)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: list-perm inst: intlista name: nodups seq: ∀ i. i ∈ ints ↔ i ∈ ints0, ¬ dups(ints), ¬ dups(ints0) ⊦ perm(ints, ints0) subst: [ints0, ints] → [ints0, ints] flags: rewrite

Additional information

Used terms: ints0, ints