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Proof step 11 from proof initdone-rec (previous step)

⊦ (∀ class0. class0 ∈ class ' + classes → initdone(class0, st)) ↔ initdone(class, st) ∧ initdone(classes, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 10:
⊦ (∀ class0. class0 = class ∨ class0 ∈ classes → initdone(class0, st)) ↔ initdone(class, st) ∧ initdone(classes, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (classes + classes0) + classes1 = classes + classes0 + classes1], [CSIMPSEQ : ⊦ ¬ class ∈ class0 ' + classes ↔ class ≠ class0 ∧ ¬ class ∈ classes])]]