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Theorem euclidean_geometry.angle_eq_zero_iff_eq_and_ne_or_sbtw

Modification history

2022-10-13 06:01
src/geometry/euclidean/angle/unoriented/affine.lean
refactor(geometry/euclidean): split up unoriented angles (#16942) …
Modified euclidean_geometry.angle_eq_zero_iff_eq_and_ne_or_sbtwView on Github →
2022-10-03 17:40
src/geometry/euclidean/basic.lean
feat(geometry/euclidean/basic): angles and betweenness (#16734) …
Added euclidean_geometry.angle_eq_zero_iff_eq_and_ne_or_sbtwView on Github →