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Proof step 30 from proof isobj-addobj-04 (previous step)

fis .keys = instfields(class), validfieldinits(fis, st), sk ∈ instfields(class) ⊦ r = jvmref, ¬ is_indexkey(sk) ∧ (sk ∈ fis ∨ sk = _type ∨ r -- sk ∈ st) ∧ okval(addobj(r, class, fis, st)[r -- sk], sk .fs .type)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Rule argument

[speclemmaarg: , class = fs .class ∧ ty = fs .type ∧ fieldvar = fs .field ↔ fs = mkfs(class, ty, fieldvar) ,[fs, class, ty, fieldvar] → [sk .fs, class0, ty, fieldvar] ,T ,fieldspec , ,elim ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ class = fs .class ∧ ty = fs .type ∧ fieldvar = fs .field ↔ fs = mkfs(class, ty, fieldvar)])], [EXTRATERMS : (sk .fs, class0, ty, fieldvar)]]