This Indirect Proofs in Algebra and Geometry: Lesson video also includes:
Indirectly, it is a good proof method. A segment of a playlist on geometry introduces a way to prove geometric and algebraic statements. Using a general examples, the video shows how to develop an indirect proof.
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- Lead a short discussion on contradictions and making them
- Class members should be able to make a statement negative
- Individuals need to know the triangle angle sum theorem
- Contains worked example problems
- Links to other indirect proof resources