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Proof step 3 from proof junkrefs-put-nopathexplus-equiv (previous step)

junkrefs(str, r ' + refs0, ty, st[r0 -- sk, val]), path∃(str, r, r0, st) ⊦ sk = _type, junkrefs(str, r ' + refs0, ty, st), path∃+(str, r, r0, st)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 2:
⊦ path∃(str, r, r0, st) → path∃+(str, r, r0, st)

Rule argument

[crewrite-arg: pathexplus-pathex , F , [st, r0, r, str] → [st, r0, r, str] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, r0, r, str)]]