What Was Euclid Really Doing - Understanding Ruler and Compass Constructions in Ancient Geometry

What Was Euclid Really Doing - Understanding Ruler and Compass Constructions in Ancient Geometry

3Blue1Brown via YouTube Direct link

28:34 - Letting go of the ruler and compass

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28:34 - Letting go of the ruler and compass

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What Was Euclid Really Doing - Understanding Ruler and Compass Constructions in Ancient Geometry

Automatically move to the next video in the Classroom when playback concludes
  1. 1 0:00 - About guest videos
  2. 2 0:54 - Why ruler and compass?
  3. 3 2:38 - Diagrams as part of the proof
  4. 4 8:08 - Geometry as philosophy
  5. 5 15:21 - Mistakes in diagrammatic reasoning
  6. 6 19:07 - The parallel postulate
  7. 7 28:34 - Letting go of the ruler and compass

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