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Theorem orientation.right_ne_zero_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.right_ne_zero_of_oangle_eq_neg_pi_div_twoView on Github →