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Proof step 17 from proof Security-simple (conclusion)

⊦ obs(run(cl), d) = obs(run(ipurge(cl, d)), d)

User applied rule insert lemma

And obtained the following new goals

Proof step 1:
⊦ eqd(run(cl), d, run(ipurge(cl, d)))

Rule argument

[x0lemmaarg: spec-name: instance-name: lemma-name: lemma2 antecedent: succedent: eqd(run(cl), d, run(ipurge(cl, d))) substlist: [cl, d] → [cl, d] add preconditions?: F is rewrite lemma?: F current spec?: T rotate lemma?: F replace all?: F paths: () dummy: () ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (cl, d)]]