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Proof step 25 from proof validstatfields-addclass (previous step)

fis .keys = statfields(class0), mkfs(class0, ty, fieldvar) ' ∈ fis, tdname∃(str, class0), mkfs(class0, ty, fieldvar) ' ∈ statfields(class0), initdone(class0, addclass(class0, fis, st)), mkfs(class0, ty, fieldvar) ' × fis[mkfs(class0, ty, fieldvar) '] ∈ fis → is_fskey(mkfs(class0, ty, fieldvar) ') ∧ type∃(str, mkfs(class0, ty, fieldvar) ' .fs .type) ∧ validval(str, fis[mkfs(class0, ty, fieldvar) '], mkfs(class0, ty, fieldvar) ' .fs .type, st) ⊦ class0 = `java.lang.Object' .class, ty = void_type, (is_reftype(ty) → validrefval(str, fis[mkfs(class0, ty, fieldvar) '], ty, addclass(class0, fis, st))) ∧ type∃(str, ty) ∧ okval(fis[mkfs(class0, ty, fieldvar) '], ty)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 24:
fis .keys = statfields(class0), mkfs(class0, ty, fieldvar) ' ∈ fis, tdname∃(str, class0), mkfs(class0, ty, fieldvar) ' ∈ statfields(class0), initdone(class0, addclass(class0, fis, st)), type∃(str, ty), validval(str, fis[mkfs(class0, ty, fieldvar) '], ty, st) ⊦ class0 = `java.lang.Object' .class, ty = void_type, (is_reftype(ty) → validrefval(str, fis[mkfs(class0, ty, fieldvar) '], ty, addclass(class0, fis, st))) ∧ okval(fis[mkfs(class0, ty, fieldvar) '], ty)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ mkfs(class, ty, fieldvar) .type = ty], [CSIMPSEQ : ⊦ fs ' .fs = fs], [CSIMPSEQ : ⊦ is_fskey(fs ')], [CSIMPSEQ : ⊦ sk ∈ fis → (¬ sk × fis[sk] ∈ fis ↔ false)])]]