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Proof step 6 from proof validrefnotnull-addobj (previous step)

newref(r1, st), validrefnotnull(str, r, ty1, st) ⊦ r1 = jvmref, r ≠ jvmref ∧ validref(str, r, ty1, addobj(r1, class, fis, st))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
⊦ validrefnotnull(str, r, ty, st) → r ≠ jvmref
Proof step 5:
newref(r1, st), validrefnotnull(str, r, ty1, st) ⊦ r1 = jvmref, validref(str, r, ty1, addobj(r1, class, fis, st))

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]