Composition is the transitive law in code.
10:02
A comical commutative diagram
15:06
Creating Universal Programs
18:01
Diagrams for Sequent Calculus
17:47
Implications make functions...with side-effects
19:25
Types as programs from logic
13:59
Hacking substitution: why we need lambda calculus
10:34
Proofs as Program
25:05