This

paper was mentioned here

before, but not on the home page.

It deserves to get more attention, since it is quite cool.

Warning: This one isn't for the faint of heart, and uses scary terms like polynomial functors, initial algebras and terminal coalgebras, constructive set theory and more...

## Recent comments

18 hours 39 min ago

23 hours 48 min ago

1 day 6 hours ago

1 day 18 hours ago

1 day 23 hours ago

1 day 23 hours ago

2 days 1 hour ago

2 days 3 hours ago

2 days 6 hours ago

2 days 8 hours ago