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Proof step 3 from proof validsubset-predefined-03 (conclusion)

⊦ newref(r, st) → valid⊆(str, st, addobj(r, `java.lang.NullPointerException' .class, [], st))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
newref(r, st) ⊦ r = jvmref, valid⊆(str, st, addobj(r, `java.lang.NullPointerException' .class, [], st))

Rule argument

[emptyarg]

Additional information

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