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Proof step 8 from proof ac-uninitset (previous step)

∀ class. class ∈ claset → initundone(class, st) ⊦ ∀ class. class ∈ claset → initundone(class, addclass(class1, fis, st)), class1 = `java.lang.Object' .class, class1 ∈ claset

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
class1 ≠ class2, class2 ≠ `java.lang.Object' .class ⊦ initundone(class1, addclass(class2, fis, st)) ↔ initundone(class1, st)
Proof step 7:
class ∈ claset, ∀ class. class ∈ claset → initundone(class, st) ⊦ claset = ∅, class1 = `java.lang.Object' .class, # claset = 0, initundone(class, st), class1 ∈ claset

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ claset ≠ ∅ → # claset ≠ 0], [CSIMPFORWARD : ⊦ class ∈ claset → claset ≠ ∅])]]