Comment by jameshart
17 days ago
Precisely. It seems reasonable to say that ‘a triangle can only have one obtuse angle’ - but in some strict senses it is incorrect - one obtuse angle is not the only thing a triangle can have; it can also have none.
17 days ago
Precisely. It seems reasonable to say that ‘a triangle can only have one obtuse angle’ - but in some strict senses it is incorrect - one obtuse angle is not the only thing a triangle can have; it can also have none.
Sure, but stating that A is possible, does not negate the possibility of B.