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Proof step 55 from proof compat-addclass (previous step)

sk .fs = mkfs(class, ty, fieldvar), fis .keys = statfields(class0), sk ∈ 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) ⊦ jvmref -- sk ∈ addclass(class0, fis, st) ∧ ¬ is_indexkey(sk) ∧ compat(str, addclass(class0, fis, st)[jvmref -- sk], ty, addclass(class0, fis, st))

User applied rule cut formula

And obtained the following new goals

Rule argument

[fma-arg: is_indexkey(sk)]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRAFMAS : (is_indexkey(sk))]]