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Proof step 23 from proof validstatfields-initundone (previous step)

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

User applied rule cut formula

And obtained the following new goals

Proof step 17:
is_indexkey(sk), sk .fs = mkfs(class0, ty, fieldvar), sk ∈ statfields(class), statfields(class) = [] ∨ tdname∃(str, class) ⊦ initdone(class, st), ¬ is_indexkey(sk) ∧ sk ∈ statfields(class0) ∧ tdname∃(str, class0) ∧ (initdone(class0, st) → validfield(str, jvmref, sk, st))
Proof step 22:
sk .fs = mkfs(class0, ty, fieldvar), sk ∈ statfields(class), statfields(class) = [] ∨ tdname∃(str, class) ⊦ is_indexkey(sk), initdone(class, st), ¬ is_indexkey(sk) ∧ sk ∈ statfields(class0) ∧ tdname∃(str, class0) ∧ (initdone(class0, st) → validfield(str, jvmref, sk, st))

Rule argument

[fma-arg: is_indexkey(sk)]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRAFMAS : (is_indexkey(sk))]]