Why ruler and compass? | Guest video by @bensyversen
What role were ruler and compass constructions really serving?Check out Ben's channel: @bensyversen
Interview with the author of this video: https://youtu.be/VohYM99j8e0
Supporters get early views of new videos: https://3b1b.co/support
Written, produced, edited, and animated by Ben Syversen
Additional editing: Jack Saxon
3d Blender model: Jan-Hendrik Müller
Additional Blender help: Thibaut Modrzyk (@Deepia)
Illustrations: Alex Zepherin/DonDada Studio
Drums: Jeremy Gustin
Additional music from Epidemic Sound
Special thanks to Viktor Blåsjö: https://intellectualmathematics.com/opinionated-history-of-mathematics/
References/Recommended reading:
Euclid’s Elements:
Visual edition of Book 1: https://intellectualmathematics.com/dl/Elements.pdf
Euclid’s Elements in full: https://farside.ph.utexas.edu/books/Euclid/Elements.pdf
The Thirteen Books of The Elements, translated with introduction and commentary by Sir Thomas L. Heath
Commentary and academic papers:
A Commentary on the First Book of Euclid’s Elements, Proclus, translated by Glenn R. Morrow
Operationalism: An Interpretation of the Philosophy of Ancient Greek Geometry, Viktor Blåsjö: https://link.springer.com/article/10.1007/s10699-021-09791-4
The Euclidean Diagram, Kenneth Manders
A New Look at Euclid’s Second Proposition, Godfried Toussaint https://www-cgrl.cs.mcgill.ca/~godfried/teaching/dm-reading-assignments/Euclid-Second-Proposition-Math-Intell.pdf
Logic of Ruler and Compass Constructions, M. Beeson https://www.michaelbeeson.com/research/papers/Cambridge.pdf
Euclid’s Fourth Postulate, Vincenzo De Risi https://www.cambridge.org/core/journals/science-in-context/article/abs/euclids-fourth-postulate-its-authenticity-and-significance-for-the-foundations-of-greek-mathematics/DD7EB8AFEDD350A0A8B0BE714D74D2EE
Some related books:
Euclid’s Window: The Story of Geometry from Parallel Lines to Hyperspace, Leonard Mlodinow
The Geometry of Rene Descartes, Rene Descartes
Timestamps:
0:00 - About guest videos
0:54 - Why ruler and compass?
2:38 - Diagrams as part of the proof
8:08 - Geometry as philosophy
15:21 - Mistakes in diagrammatic reasoning
19:07 - The parallel postulate
28:34 - Letting go of the ruler and compass
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