Hacker News new | ask | show | jobs
by tines 1551 days ago
Nitpick, I don't think 0 is a natural number
3 comments
whatshisface 1551 days ago
Zero is sometimes a natural number and sometimes not. N is written as N_+ or N_0 sometimes to indicate which one is being used.
link
tines 1551 days ago
Ah, that's annoying.
link
diffeomorphism 1551 days ago
Matter of taste/notation. Both definitions 0,1,2,... and 1,2,3,... are very, very common.
link
leadingthenet 1551 days ago
1 is still not strictly greater than 1, though.
link