Geometry Chapter Two Vocabulary
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Created by:
Emma_Chamberlayne_O4 on February 3, 2012
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Vocab from chapter two. Honors Geometry 4th Block Shugary
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12 terms
Terms | Definitions |
|---|---|
 conjecture | a statement based on observation |
| inductive reasoning | making conjectures form patterns or sequences |
| counterexample | an example that proves a statement false |
| conditional statement | an "if-then" statement where the phrase after the word if is the hypothesis and the phrase after the word then is the conclusion |
| negation | the complete opposite of a statement |
| converse | formed by switching hypothesis and conclusion of the original conditional statemnet |
| inverse | formed by negating the hypothesis and conclusion of the original conditional statement |
| contrapositive | formed by switching and negating the hypothesis and the conclusion of the conditional statement |
| biconditional statement | formed by a true conditional and true converse. The phrase if and only if (iff) joins the hyp. and the conc. |
| deductive reasoning | a system of reasoning that uses facts to reach conclusions |
| Law of Detachment | If p ---> q is a true conditional and p is true, then q is also true |
| Law of Syllogism | If p ---> q and q--->r re true conditionals then p--->r is true |
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