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Proof step 4 from proof initial-ex-abstract-initial (previous step)

0 = # pebs, ubi-io-initial(pebs) ⊦ abs(pebs, mkapebs(0)) ∧ ubi-io-initial(mkapebs(0))

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: ubi-io-abs name: abs seq: ⊦ abs(pebs, apebs) ↔ # pebs = # apebs ∧ (∀ n. n < # pebs → abs-peb(pebs[n], apebs[n])) subst: [apebs, pebs] → [mkapebs(0), pebs] flags: <all paths>

Additional information

Used terms: mkapebs(0), pebs