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Proof step 4 from proof addarray-nouninit-01 (previous step)

class ∈ claset, initundone(class, st), ∀ class. class ∈ claset → ¬ initundone(class, st) ⊦ claset = ∅, # claset = 0

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 3, [QUANTTERMLIST : (class)]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (class)]]