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Proof step 5 from proof eqs-ipurged (conclusion)

⊦ eqS(sys, step(sys0, ipurged(co))) ↔ eqS(sys, step(sys0, co))

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ eqS(sys, sys0) ↔ (∀ nam. isState(nam) → contents(sys, nam) = contents(sys0, nam))

Rule argument

[x0lemmaarg: spec-name: AccessControlWithState instance-name: lemma-name: eqS-def antecedent: succedent: eqS(sys, sys0) ↔ (∀ nam. isState(nam) → contents(sys, nam) = contents(sys0, nam)) substlist: [sys0, sys] → [step(sys0, ipurged(co)), sys] add preconditions?: F is rewrite lemma?: T current spec?: F rotate lemma?: F replace all?: T paths: ((1, 0, 0, 1, 0)) dummy: () ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (step(sys0, ipurged(co)), sys)]]