+*These notes were developed over the course of the week. It'd be a good idea to review them again now, to be sure you've read all the content.*
+
+* [[Arithmetic with Church numbers|topics/week3_church_arithmetic]]
+* [[More on Lists|topics/week3 lists]]
+Introduces list comprehensions, discusses how to get the `tail` of lists in the Lambda Calculus, and some new list encodings