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Proof step 3 from proof junkrefs-newref-03 (conclusion)

⊦ newref(r, st) → (¬ junkrefs(str, r ' + refs, ty, st) ↔ false)

User applied rule insert lemma

And obtained the following new goals

Rule argument

[LEMMAARG : junkrefs-newref-02, [r, st, str, refs, ty] → [r, st, str, refs, ty]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1])], [EXTRATERMS : (r, st, str, refs, ty)]]