Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
|
from
login
6 proofs of 2 + 2 = 2 * 2
(
lean-ide.github.io
)
3 points
by
picrin
on Feb 12, 2017
|
past
|
3 comments
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: