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Proof step 2 from proof unchanged-levelsubset-equiv (previous step)

unchanged(str, r, st, st0), level⊆(str, str0) ⊦ unchanged(str0, r, st, st0), junkref(str, r, st)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[x0lemmaarg: spec-name: instance-name: lemma-name: unchanged-levelsubset antecedent: succedent: unchanged(str, r, st, st0) ∧ ¬ junkref(str, r, st) ∧ level⊆(str, str0) → unchanged(str0, r, st, st0) substlist: [str, r, st, st0, str0] → [str, r, st, st0, str0] add preconditions?: F is rewrite lemma?: T current spec?: T rotate lemma?: F replace all?: T paths: ((1, 0, 0)) dummy: () ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (str, r, st, st0, str0)]]