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Proof step 17 from proof addobj-addclass-sw (previous step)

r ≠ jvmref ⊦ r = jvmref, (sk ∈ fis ∨ sk = _type ∨ r -- sk ∈ addclass(class0, fis0, st) ↔ r -- sk ∈ addobj(r, class, fis, st)) ∧ (addobj(r, class, fis, addclass(class0, fis0, st))[r -- sk]) = (addobj(r, class, fis, st)[r -- sk])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
⊦ r -- sk ∈ addobj(r, class, fis, st) ↔ ¬ ¬ (sk ∈ fis ∨ sk = _type ∨ r -- sk ∈ st)
Proof step 7:
⊦ rk ∈ st → rk ∈ addclass(class, fis, st)
Proof step 16:
⊦ r = jvmref, (r -- sk ∈ addclass(class0, fis0, st) → sk ∈ fis ∨ sk = _type ∨ r -- sk ∈ st) ∧ (addobj(r, class, fis, addclass(class0, fis0, st))[r -- sk]) = (addobj(r, class, fis, st)[r -- sk])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]