Joshua Potter 68d46e1a7d Redefine an `Orthogonal` rectangle as a subtype of a `Skew` one.		2023-05-15 14:07:42 -06:00
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Orthogonal.lean	Redefine an `Orthogonal` rectangle as a subtype of a `Skew` one.	2023-05-15 14:07:42 -06:00
Skew.lean	Revise geometry with different types of rectangles and lines.	2023-05-15 06:40:35 -06:00