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Proof step 13 from proof validstatfield-addclass-same (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 12:
validval(str, fis[mkfs(class, ty, fieldvar) '], ty, st), mkfs(class, ty, fieldvar) ' ∈ statfields(class), tdname∃(str, class), type∃(str, ty), mkfs(class, ty, fieldvar) ' ∈ fis, initdone(class, addclass(class, fis, st)) ⊦ class = `java.lang.Object' .class, ty = void_type, (is_reftype(ty) → validrefval(str, fis[mkfs(class, ty, fieldvar) '], ty, addclass(class, fis, st))) ∧ okval(fis[mkfs(class, ty, fieldvar) '], ty)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ mkfs(class, ty, fieldvar) .type = ty], [CSIMPSEQ : ⊦ fs ' .fs = fs], [CSIMPSEQ : mkfs(class1, ty, fieldvar) ' ∈ fis ⊦ (addclass(class1, fis, st) [ jvmref -- mkfs(class1, ty, fieldvar) ' ] ) = fis[mkfs(class1, ty, fieldvar) ']], [CSIMPSEQ : mkfs(class1, ty, fieldvar) ' ∈ fis ⊦ jvmref -- mkfs(class1, ty, fieldvar) ' ∈ addclass(class1, fis, st)], [CSIMPSEQ : ⊦ is_fskey(fs ')])]]