3 ms·
Don't conflate "I don't understand it" with "hand-wavy". The 2 are different things. Another proof by contradiction I've heard of this is that if 0.9... != 1.
by michaelcampbell 7y ago
Don't conflate "I don't understand it" with "hand-wavy". The 2 are different things.
Another proof by contradiction I've heard of this is that if 0.9... != 1.0... then there exists a number in between the 2. What is it?
- ubercow13 7y agoIt is hand-wavy, because it is using a vague conception of infinity which doesn't correspond to the real, useful definition of the infinity labelled "..."