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21 Cards in this Set
- Front
- Back
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Reflexive property |
Something is equal to itself AB=AB |
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Symetric |
If AB=CD, then CD=AB |
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Transitive |
If AB=CD, and CD=EF, then AB=EF |
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Conjecture |
unproven statement that is based upon observations or patterns |
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Inductive Reasoning |
A process that includes looking for patterns and making conjectures |
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Counter Example |
A specific situation that contradicts the conjecture |
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Conditional Statement |
logical statement that contains a hypothesis and conclusion
Ex. If we win the game on Friday, then coach will buy us ice cream. |
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Negation |
Opposite of the statement Ex. I am cold. Negation: I am not cold. |
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True conditional |
Conclusion that is true every time the hypo is true |
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False conditional |
Provides 1 counterexample, hypothesis remains true, conclusion is false |
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Converse |
Switch and negate
Ex. If I don't get a car, than I didn't get a 4.0 |
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Inverse |
Negate both hypo and conclusion Ex. If I don't get a 4.0, then I don't get a car |
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Contrapositive |
Switch and negate Ex. If I don't get a care, then I didn't get a 4.0 |
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Biconditional |
Where the conditional and converse are both true, all definitions are biconditional. |
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Right L congruence theorm |
All right Ls are congruent |
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Congruent supplement theorem |
If 2 Ls are supplementary to teh same L, or congruent Ls, then those Ls are congruent. |
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Linear Pair Postulate |
If 2 Ls are a linear pair, then they are supplementary |
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Vertical Ls theorem |
If 2Ls are vert. Ls, then they are congruent. |
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Linear Pair |
2 adjacent Ls who's non common sides form opposite rays |
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Adjacent Ls |
2 Ls with a common vertex, share a side, and one is not inside the other |
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Vertical Ls |
Sides form 2 pairs of opposite rays |
