ciphergoth comments on Rationality Quotes January 2010 - Less Wrong

3 Post author: Zack_M_Davis 07 January 2010 09:36AM

You are viewing a comment permalink. View the original post to see all comments and the full post content.

Comments (140)

You are viewing a single comment's thread. Show more comments above.

Comment author: ciphergoth 11 January 2010 05:54:08PM 1 point [-]

OK, but it takes two minutes to prove that an anti-metric space with more than one point can't exist. If x != y, then d(x, y) + d(y, x) > d(x, x).

Unless you allow negative distances, in which case an anti-metric space is just a mirror image of a metric space.