A is set of all propositional expressions on the propositions p1 , p2 , . . . , pn. Relation R on A is defined as (P, Q) ∈ R if P ↔ Q is a tautology. I think it is an equivalence relation, what should be its equivalence classes?
2026-04-05 18:47:21.1775414841
Find equivalence classes
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