OAI/Geometry/EinsteinFour/CurvatureFirstBianchi.lean
6 declarations, 0 contain sorry, 0 declared as axioms
The first Bianchi identity follows directly from the symmetric Levi-Civita Christoffel symbols and is preserved by frame contraction.
- theorem
OAI.PositiveEinsteinFour.Geometry.metricInChart_commline 18 - theorem
OAI.PositiveEinsteinFour.Geometry.christoffel_commline 22 - theorem
OAI.PositiveEinsteinFour.Geometry.curvatureComponent_first_bianchiline 33 - theorem
OAI.PositiveEinsteinFour.Geometry.sum_three_cycleline 59 - theorem
OAI.PositiveEinsteinFour.Geometry.contracted_bianchiline 68 - theorem
OAI.PositiveEinsteinFour.Geometry.frameCurvature_first_bianchiline 105