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Proof step 4 from proof initdone-05 (conclusion)

⊦ init(st) → (¬ initdone(class1, st) ↔ false)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 1:
⊦ initdone(class1, st) ↔ ¬ ¬ (¬ initerror(class1, st) ∧ ¬ initundone(class1, st))
Proof step 2:
⊦ init(st) → ¬ initerror(class1, st)
Proof step 3:
⊦ init(st) → ¬ initundone(class1, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]