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Proof step 22 from proof addclass-switch-01 (previous step)

¬ (is_fskey(fv .1) ∧ fv .1 .fs .class ≠ class), ∀ r, class, st, sk, val. r = jvmref ∨ addclass(class, fis0, st[r -- sk, val]) = (addclass(class, fis0, st)[r -- sk, val]) ⊦ r = jvmref, addclass(class, fv ' + fis0, st[r -- sk, val]) = (addclass(class, fv ' + fis0, st)[r -- sk, val])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 21:
∀ r, class, st, sk, val. r = jvmref ∨ addclass(class, fis0, st[r -- sk, val]) = (addclass(class, fis0, st)[r -- sk, val]) ⊦ r = jvmref, addclass(class, fv ' + fis0, st[r -- sk, val]) = (addclass(class, fv ' + fis0, st)[r -- sk, val]), ¬ is_indexkey(fv .1) ∧ fv .1 .fs .class ≠ class

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ is_fskey(sk) ↔ is_indexkey(sk)])]]