Mathlib Changelog
v4
Changelog
About
Github
Theorem
EuclideanGeometry.orthogonalProjection_congr
Modification history
2025-12-11 08:08
Mathlib/Geometry/Euclidean/Projection.lean
refactor(Geometry/Euclidean/Projection): redefine projection and reflection for affine subspaces (#27378) …
Modified
EuclideanGeometry.orthogonalProjection_congr
View on Github →
2025-05-18 20:46
Mathlib/Geometry/Euclidean/Projection.lean
feat: add a congruence lemma for `orthogonalProjection` (#25004) …
Added
EuclideanGeometry.orthogonalProjection_congr
View on Github →