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Proof step 6 from proof union-newref-02 (previous step)

⊦ r ≠ jvmref ∧ ¬ r ∈ st ∧ ¬ r ∈ st0 ↔ r ≠ jvmref ∧ ¬ r ∈ st ∧ newref(r, st0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 5:
⊦ r = jvmref, newref(r, st0), r ∈ st0, r ∈ st

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ r ∈ st → ¬ newref(r, st)])]]