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Theorem
orientation.ne_of_oangle_eq_neg_pi_div_two
Modification history
2022-11-22 18:26
src/geometry/euclidean/angle/oriented/basic.lean
feat(geometry/euclidean/angle/oriented): nonzero angle lemmas (#17272) …
Added
orientation.ne_of_oangle_eq_neg_pi_div_two
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