Stack Exchange
log in
users (32)
rooms (21)
faq
Logic books
general
stars
conversations
schedule
feeds
3
access
Logic books
2732d ago –
Leaky Nun
65
3
info
This room is
frozen
.
Public: anyone may enter and talk
Owners
These users may administer this room. Certain actions (like making a room read-only) have additional reputation requirements.
David Reed
Leaky Nun
relative complement is a contravariant functor
user21820