* [[Numbers|topics/week2 encodings#numbers]], v1 ("Church's encoding")
* [[Arithmetic with Church numbers|topics/week3_church_arithmetic]]
* [[How to get the `tail` of v1 lists?|topics/week3 lists#tails]]
* [[Numbers|topics/week2 encodings#numbers]], v1 ("Church's encoding")
* [[Arithmetic with Church numbers|topics/week3_church_arithmetic]]
* [[How to get the `tail` of v1 lists?|topics/week3 lists#tails]]