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Term 1: Term 2:

(subclass SetOrClass Abstract) Merge.kif 2139-2139 Set or class is a subclass of abstract
(subclass Class SetOrClass) Merge.kif 2147-2147 Class is a subclass of set or class
(subclass Set SetOrClass) Merge.kif 2159-2159 Set is a subclass of set or class


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