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Proof step 6 from proof validref-newref-subset (previous step)

validref(str, r, mkarraytype(byte_type), st), st ⊆ st0 ⊦ r = jvmref, r ∈ st0, newref(r, st)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ newref(r, st) ↔ r ≠ jvmref ∧ (∀ rk. rk ∈ st → rk .ref ≠ r)
Proof step 5:
validref(str, r, mkarraytype(byte_type), st), st ⊆ st0 ⊦ r = jvmref, r ∈ st0, r ≠ jvmref ∧ (∀ rk. rk ∈ st → rk .ref ≠ r)

Rule argument

[speclemmaarg: ,newref(r, st) ↔ r ≠ jvmref ∧ (∀ rk. rk ∈ st → rk .ref ≠ r) ,[st, r] → [st, r] ,F ,storefuns , ,newref ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, r)]]