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16 Cards in this Set
- Front
- Back
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Plane |
Is an infinite # of points on a flat surface that extends. |
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Opposite Rays |
Rays w the same enspoint that lie on the same line. |
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Postulate |
A statement assumed to be true. |
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Collinear |
On the same line. |
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Segment Addition Postulate |
If points A, B, and C are on a line and B is between AC, then AB+BC=AC |
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Inductive Reasoning |
Reaching a conclusion based on a pattern of specific examples. |
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Conjecture |
Unproven statement or rule that is based on inductice reasoning. |
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Counterexample |
An example that shows a statement or conjecture is false. |
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Conditional |
Is an If/Then statement that relates a hypothesis to a conclusion. |
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Converse |
Reverses the hypothesis and the conclusion. (Symbol is Q ~》P) |
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Inverse |
Negates both hypothesis and conclusion of the original statement. |
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Negate |
Write the opposite statement. |
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Contrapositive |
Negates both the hypothesis and conclusion, reverses. |
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Biconditional |
An If/Then statement that is true and its converse is true. (If and only if) |
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Law of Detatchment |
If a conditional statement and its hypothesis are true, then its conclusion is also true. (If P~》Q is true, and P is true, then Q is true) |
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Law of Syllogism |
If P~》Q and Q~》R are both true conditionals, then P~》R is also true. |
