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Proof step 5 from proof validref-throw (conclusion)

⊦ validref(str, r0, ty, st) ∧ newref(r, st) → (¬ validref(str, r0, ty, addobj(r, class, [], st)[_mode, throw(r, mkclasstype(class))]) ↔ false)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 4:
validref(str, r0, ty, st), newref(r, st) ⊦ r = jvmref, validref(str, r0, ty, addobj(r, class, [], st)[_mode, throw(r, mkclasstype(class))])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ newref(r, st) → r ≠ jvmref])]]