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Proof step 3 from proof unchanged-validrefs-unchNorec (previous step)

unchanged(str, r, st, st0), validrefs(str, r ' + refs0, ty, st), r0 ∈ refs0 ⊦ r0 = r, unchangedNorec(r0, st, st0), path∃(str, r, r0, st)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[x0lemmaarg: spec-name: cyclic instance-name: lemma-name: pathex-validrefs-in antecedent: succedent: validrefs(str, r ' + refs, ty, st) ∧ r0 ∈ refs → path∃(str, r, r0, st) substlist: [str, r, refs, ty, st, r0] → [str, r, refs0, ty, st, r0] add preconditions?: F is rewrite lemma?: T current spec?: F rotate lemma?: F replace all?: T paths: ((1, 0, 2)) dummy: () ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (str, r, refs0, ty, st, r0)]]