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Proof step 45 from proof compat-addclass (previous step)

fis .keys = statfields(class0), mkfs(class0, ty, fieldvar) ' ∈ statfields(class0), compatmode(str, st), compatrefs(str, st), okfieldinits(class0, fis), initdone(class0, addclass(class0, fis, st)), tdname∃(str, class0), (class∃(str, class0) ∨ interface∃(str, class0)) ∧ initdone(class0, st) → compatfields(str, jvmref, statfields(class0), st) ⊦ compat(str, addclass(class0, fis, st)[jvmref -- mkfs(class0, ty, fieldvar) '], ty, addclass(class0, fis, st)) ∧ jvmref -- mkfs(class0, ty, fieldvar) ' ∈ addclass(class0, fis, st)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[speclemmaarg: mkfs(class1, ty, fieldvar) ' ∈ fis , (addclass(class1, fis, st)[jvmref -- mkfs(class1, ty, fieldvar) ']) = fis[mkfs(class1, ty, fieldvar) '] ,[fieldvar, ty, st, fis, class1] → [fieldvar, ty, st, fis, class0] ,F ,addfuns , ,ac-lookup ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (fieldvar, ty, st, fis, class0)]]