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Proof step 20 from proof validstatfields-initundone (previous step)

sk = fs ', fs = mkfs(class0, ty, fieldvar), sk ∈ statfields(class), is_fskey(sk), statfields(class) = [] ∨ tdname∃(str, class) ⊦ initdone(class, st), (initdone(class0, st) → validfield(str, jvmref, sk, st)) ∧ tdname∃(str, class0) ∧ sk ∈ statfields(class0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 19:
mkfs(class0, ty, fieldvar) ' ∈ statfields(class), statfields(class) = [] ∨ tdname∃(str, class) ⊦ initdone(class, st), (initdone(class0, st) → validfield(str, jvmref, mkfs(class0, ty, fieldvar) ', st)) ∧ tdname∃(str, class0) ∧ mkfs(class0, ty, fieldvar) ' ∈ statfields(class0)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_fskey(fs ')])]]