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LSAT
| Term | Definition |
|---|---|
| Implication Family | identification of a statement that is implied by the truth of the statements in the stimulus (i.e. must be true, is most strongly supported by, must be false, could be true EXCEPT) *each statement in stimulus should be treated as though it is true* |
| Characterization Family | require characterization of the stimulus or some part of it (i.e. main point, method of argumentation, flaw, role of a particular claim, most vulnerable to criticism on the grounds that, argument proceeds by) *some form of description of the stimulus* |
| Operation Family | requires performance of an operation on the stimulus (strengthen, weaken, prove, explain) *each answer choice should be treated as though it were true* |
| Premise | Supports a conclusion |
| Conclusions | Propositions supported by premises |
| Premises Key Words | Since, Because, For, As, After all, Moreover, In addition, Given that |
| Conclusions Key Words | Therefore, Thus, Hence, So, As a result, Consequently, It follows that, It is clear that |
| Validity of Argument | If premises, even though implausible, are true, then argument is valid |
| Sufficient Condition Terms | enough, guarantees, if, when, whenever, all, any, each, every |
| Necessary Condition Terms | required, must be true, then, only, only if, only when, needs, requires, must |
| Only If | creates necessary condition on its own; phrase followed by necessary condition |
| Only | Must find the referent of this word in order to locate the necessary condition |
| If and only if | means that both conditions are both necessary and sufficient |
| Unless, Until, Without, Except | Negate this term to "if not"; terms following these words are the sufficient condition and the others are the necessary condition |
| "No" Statement | No A's are B's implies that ALL A's are not B's *No men wear perfume.-->Every man does not wear perfume* |