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Proof step 27 from proof isobj-addobj-04 (previous step)

sk .fs = mkfs(class0, ty, fieldvar), fis .keys = instfields(class), sk ∈ fis, validfieldinits(fis, st), sk ∈ instfields(class) ⊦ r = jvmref, ¬ is_indexkey(sk) ∧ okval(fis[sk], ty)

User applied rule cut formula

And obtained the following new goals

Proof step 19:
is_indexkey(sk), sk .fs = mkfs(class0, ty, fieldvar), fis .keys = instfields(class), sk ∈ fis, validfieldinits(fis, st), sk ∈ instfields(class) ⊦ r = jvmref, ¬ is_indexkey(sk) ∧ okval(fis[sk], ty)
Proof step 26:
sk .fs = mkfs(class0, ty, fieldvar), fis .keys = instfields(class), sk ∈ fis, validfieldinits(fis, st), sk ∈ instfields(class) ⊦ is_indexkey(sk), r = jvmref, ¬ is_indexkey(sk) ∧ okval(fis[sk], ty)

Rule argument

[fma-arg: is_indexkey(sk)]

Additional information

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