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Proof step 15 from proof validrefs-nopathex (previous step)

r0 ∈ refs, validrefs(str, r ' + refs, ty, st) ⊦ path∃(str, r, r0, st)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[crewrite-arg: validrefs-sametype , F , [st, ty, refs, r, str] → [st, ty, refs, r, str] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, ty, refs, r, str)]]