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Proof step 25 from proof ac-init-01 (previous step)

sk = fs ', initundone(class1, addclass(class1, fis0, st)), is_fskey(sk), ∀ class1, st. initundone(class1, addclass(class1, fis0, st)) → mkfs(class1, void_type, `initstate' .field) ' ∈ fis0 ⊦ mkfs(class1, void_type, `initstate' .field) ' = sk, fs .class = class1, mkfs(class1, void_type, `initstate' .field) ' ∈ fis0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 24:
initundone(class1, addclass(class1, fis0, st)), ∀ class1, st. initundone(class1, addclass(class1, fis0, st)) → mkfs(class1, void_type, `initstate' .field) ' ∈ fis0 ⊦ fs .class = class1, mkfs(class1, void_type, `initstate' .field) = fs, mkfs(class1, void_type, `initstate' .field) ' ∈ fis0

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_fskey(fs ')], [CSIMPSEQ : ⊦ fs ' = fs0 ' ↔ fs = fs0])]]