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Proof step 5 from proof unchanged-levelsubset (previous step)

path∃(str, r, r0, st) ↔ path∃(str, r, r0, st0), level⊆(str, str0), unchanged(str, r, st, st0), junkref(str, r, st0), path∃(str, r, r0, st0) → unchangedNorec(r0, st, st0) ⊦ junkref(str, r, st), (path∃(str0, r, r0, st) ↔ path∃(str0, r, r0, st0)) ∧ (path∃(str0, r, r0, st) → unchangedNorec(r0, st, st0))

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[x0lemmaarg: spec-name: instance-name: lemma-name: unchanged-junkref antecedent: succedent: ¬ junkref(str, r, st) ∧ unchanged(str, r, st, st1) → ¬ junkref(str, r, st1) substlist: [str, r, st, st1] → [str, r, st, st0] add preconditions?: F is rewrite lemma?: T current spec?: T rotate lemma?: F replace all?: T paths: ((0, 0, 3)) dummy: () ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (str, r, st, st0)]]