OAI/Geometry/Relativity/CKS/SurfaceNormal.lean
3 declarations, 0 contain sorry, 0 declared as axioms
- lemma
OAI.CKSSchwarzschild.maximum_radius_tangentline 11 - lemma
OAI.CKSSchwarzschild.tangent_rangeline 22 - lemma
OAI.CKSSchwarzschild.normal_radial_at_tangentline 33