| Term | Definition |
|---|
| point | an exact location in space |
| space | the set of all points |
| line | a series of points that extends in two opposite directions without end |
| collinear points | points that lie on the same line |
| plane | a flat surface that has no thickness |
| coplanar | two points or lines that lie on the same plane |
| postulate or axiom | an accepted statement of fact |
| exactly one line. | Through any two points there is |
| exactly one point. | If two lines intersect, then they intersect in |
| exactly one line. | If two planes intersect, then they intersect in |
| exactly one plane. | Through any three noncollinear points there is |
| inductive reasoning | reasoning based on patterns you observe |
| conjecture | a conclusion you reach using inductive reasoning |
| counterexample | an example for which the conjecture is incorrect |
Combine with other sets
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