Closed affeldt-aist closed 3 years ago
mulRV : forall x : R, x != 0 -> x / x = 1 invRM : forall r1 r2 : R, r1 <> 0 -> r2 <> 0 -> / (r1 r2) = / r1 * / r2
@t6s
mulRV : forall x : R, x != 0 -> x / x = 1 invRM : forall r1 r2 : R, r1 <> 0 -> r2 <> 0 -> / (r1 r2) = / r1 * / r2
@t6s