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Proof step 9 from proof validstatfields-put-statfield-03 (previous step)

¬ ( ¬ mkfs(class, ty, fieldvar) ' ∈ sks ∧ ( ¬ is_fskey(mkfs(class, ty, fieldvar) ') ∨ mkfs(class, ty, fieldvar) ' .fs .type ≠ void_type ∨ mkfs(class, ty, fieldvar) ' .fs .field ≠ `initstate' .field ∧ mkfs(class, ty, fieldvar) ' .fs ≠ mkfs(`java.lang.Object' .class, void_type, `uninit' .field))), validstatfields(str, sks, st), ¬ mkfs(class, ty, fieldvar) ' ∈ statfields(class) ∨ ¬ tdname∃(str, class), ty ≠ void_type ∨ fieldvar ≠ `initstate' .field ∧ (class ≠ `java.lang.Object' .class ∨ fieldvar ≠ `uninit' .field) ⊦ validstatfields(str, sks, st[jvmref -- mkfs(class, ty, fieldvar) ', val])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
⊦ mkfs(class, void_type, fieldvar) ' ∈ sks → ¬ validstatfields(str, sks, st)
Proof step 8:
validstatfields(str, sks, st), mkfs(class, ty, fieldvar) ' ∈ sks, ¬ mkfs(class, ty, fieldvar) ' ∈ statfields(class) ∨ ¬ tdname∃(str, class) ⊦ ty = void_type, validstatfields(str, sks, st[jvmref -- mkfs(class, ty, fieldvar) ', val])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ mkfs(class, ty, fieldvar) = mkfs(class0, ty0, fieldvar0) ↔ class = class0 ∧ ty = ty0 ∧ fieldvar = fieldvar0], [CSIMPSEQ : ⊦ mkfs(class, ty, fieldvar) .field = fieldvar], [CSIMPSEQ : ⊦ mkfs(class, ty, fieldvar) .type = ty], [CSIMPSEQ : ⊦ fs ' .fs = fs], [CSIMPSEQ : ⊦ is_fskey(fs ')])]]