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Proof step 15 from proof union-init (previous step)

⊦ initdone(class, st ∪ st0) ↔ initdone(class, st0), jvmref ∈ st

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ initdone(class1, st) ↔ ¬ initerror(class1, st) ∧ ¬ initundone(class1, st)
Proof step 14:
⊦ ¬ initerror(class, st ∪ st0) ∧ ¬ initundone(class, st ∪ st0) ↔ initdone(class, st0), jvmref ∈ st

Rule argument

[speclemmaarg: , initdone(class1, st) ↔ ¬ initerror(class1, st) ∧ ¬ initundone(class1, st) ,[st, class1] → [st ∪ st0, class] ,F ,storefuns , ,initdone ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st ∪ st0, class)]]