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### 22 Cards in this Set

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• Back
 What isthe LSAT term for an if/then relationship? Sufficient If/thens never Reverse or negate If/thens always Contrapose A reversal of an if/then is always Maybe A negation of an if/then is always Maybe The contrapositive of an if/then is always True What is the simultaneous negative reversal of an if/then called? Contrapositive Given "If A then B" what is the contrapositive? If not B then not A Given "If A then B" what is the reverse? If B then A Given "If A then B" what is the negation? If not A then not B Given "If A then B" what is true? If not B then not A (CP) Only if B then A Given "If A then B" what is maybe? If B then A (Reversal) If not A then not B (Negation) Given "If A then B" what is an Andrew Method example? If we're in Boston, then we're in MA Describe sufficiency in terns of an if/then relationship The "if" is sufficient for you to know that the "then" must happen Given "If A then B" If not B then not A (T) Only if B then A (T) If B then A (M) If not A the not B (M) What does my picture for an if/then relationship look like? A → B (If A then B) What are 6 disguised if/thens? If B, then A All A's are B's A requires B A implies B A is always accompanied by B Whenver A is chosen, B must be chosen What formula disguise is the following? "If B doesn't happen, then A can't either" If/then ~B → ~A = A → B (CP) What formula disguise is the following? "A can't occur without B" If/then ~B → ~A = A → B (CP) What formula disguise is the following? "You can't do A unless you do B" If/then ~B → ~A = A → B (CP) What formula disguise is the following? "There are no A's without B's" If/then Only if B then A = A → B WHat formula disguise is the following? "Only B's are A's" If/then Only if B then A = A → B