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### How to study your flashcards.

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### 21 Cards in this Set

• Front
• Back
 A prop is false O prop is? true I prop is false A prop is? false A prop is true I prop is? true A prop is false I prop is? false/true O prop is false E prop is? false E prop is true O prop is? true E prop is false A prop is? true A prop is true E prop is? false O prop is false I prop is? true I prop is true O prop is? A prop is? E prop is? true/flase false/true false define valid argument 1 the conclusion follows necessarily from the premise sets All A-B All C-A All C-B and All A-B All B-C All A-C define valid argument 2 if the premise set is true then the conclusion cannot be false define sound argument a valid argument w/ true premise set define logical equivalence 2 sentences are logically equivalent if they have the same truth value and same meaning define distribution a term (S,P,M) is distributed if it refers to all members of class named by that term; undistributed otherwise Form number? M P \ S M 1 Form number? P M | S M 2 Form number? M P | M S 3 Form number? P M / M S 4 for, since, because, in as, much as premise indicators so, thus, therefore, consequently, hence, it follows that conclusion indicator