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Proof step 26 from proof validstatfields-class-01 (previous step)

initdone(class, st), tdname∃(str, class), mkfs(class0, ty, fieldvar) ' ∈ statfields(class), mkfs(class0, ty, fieldvar) ' ∈ statfields(class0), tdname∃(str, class0), initdone(class0, st) → validfield(str, jvmref, mkfs(class0, ty, fieldvar) ', st) ⊦ ty = void_type, jvmref -- mkfs(class0, ty, fieldvar) ' ∈ st ∧ type∃(str, ty) ∧ validval(str, st[jvmref -- mkfs(class0, ty, fieldvar) '], ty, st)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 22:
⊦ class ≠ class0 → ¬ mkfs(class0, ty, fieldvar) ' ∈ statfields(class)
Proof step 25:
¬ class ≠ class0, initdone(class, st), tdname∃(str, class), mkfs(class0, ty, fieldvar) ' ∈ statfields(class), mkfs(class0, ty, fieldvar) ' ∈ statfields(class0), tdname∃(str, class0), initdone(class0, st) → validfield(str, jvmref, mkfs(class0, ty, fieldvar) ', st) ⊦ ty = void_type, jvmref -- mkfs(class0, ty, fieldvar) ' ∈ st ∧ type∃(str, ty) ∧ validval(str, st[jvmref -- mkfs(class0, ty, fieldvar) '], ty, st)

Rule argument

[speclemmaarg: ,class ≠ class0 → ¬ mkfs(class0, ty, fieldvar) ' ∈ statfields(class) ,[class, fieldvar, ty, class0] → [class, fieldvar, ty, class0] ,F ,addfuns , ,statfields-same-class-01 ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (class, fieldvar, ty, class0)]]