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Proof step 30 from proof instore-addobj-rec (previous step)

∀ r, r1, class, class1, fis1, st. r = r1 ∨ (instore(r, class, fis0, addobj(r1, class1, fis1, st)) ↔ instore(r, class, fis0, st)) ⊦ r = r1, instore(r, class, fv + fis0, addobj(r1, class1, fis1, st)) ↔ instore(r, class, fv + fis0, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 29:
∀ r, r1, class, class1, fis1, st. r = r1 ∨ (instore(r, class, fis0, addobj(r1, class1, fis1, st)) ↔ instore(r, class, fis0, st)) ⊦ r = r1, instore(r, class, fv ' + fis0, addobj(r1, class1, fis1, st)) ↔ instore(r, class, fv ' + fis0, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ fv + fis = fv ' + fis])]]