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AVP 175 likes · 1 talking about this Ventes de vêtements et accessoires de mode à Abidjan, Côte d'Ivoire SHOP NOW #abidjanvpICS 141 Discrete Mathematics I (Fall 14) 13 Propositional Equivalences Tautologies, Contradictions, and Contingencies A tautology is a compound proposition which is always trueIf yes,how do I cope with the NOT(~) in q?Thank you Hi Tom, Let r be the statement ~q then (p & ~q) v p ≡ (p & r) v p and absorption then implies that this is logically equivalent to p Harley Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences Font Stylization Letters Font Composition Logo Rendering Stock Photo Image By C 0123omar Z¶ "¯^ "Vp q