Of course not. We can prove things that are absolutely true. For example, we can... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		i-am-curious on Aug 31, 2020 \| parent \| context \| favorite \| on: Do we really travel through time with the speed of... Of course not. We can prove things that are absolutely true. For example, we can show 2+2, with suitable definitions of 2, + and 4, always equals 4 anywhere in the universe.

saagarjha on Aug 31, 2020 [–]

Math is not reality. It's an abstract concept that we've built up on top of axioms.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact