jjdishere / EG

Formalizing Euclidean Geometry in Lean
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use `PtNe` typeclass in lemmas #263

Closed FR-vdash-bot closed 6 months ago

FR-vdash-bot commented 6 months ago

Todo: PtReduce typeclass to help infer PtNe instance (we cannot use tactics such as dsimp when inferring a instance) NonCollinear typeclass try to replace XxxND (and some other variants) with Xxx.IsND typeclasses