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Diff — Euclidean geometry

Revision #3172 → #3664 · back to history

modifiedImpossibility of squaring the circled79681a97c74
FieldFrom #3172To #3664
noteMathlib has Real.transcendental_pi but no derivation of the impossibility of squaring the circle as a constructibility result.Mathlib has the transcendence of π but no derivation of the impossibility of squaring the circle as a constructibility result.
addedPartial sums of a geometric series (Elements IX.35)caf6ca10bd16
addedClifford (geometric) algebra4a7054275a15
addedRegular polytope197cbbe43b6b
addedNon-Euclidean geometry (hyperbolic/elliptic)17f44ae58b65