Geometry Before and After Euclid
Before Euclid, geometry was a pile of loose facts; after him, the same blocks are stacked into an axiomatic tower.
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Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2016-01-01-geometry-before-and-after-euclid/ (CC BY-NC 4.0)Transcript
[Geometry Before Euclid] a jumble of scattered blocks · [Geometry After Euclid] the same blocks stacked into a neat tower, admired by a figure