* [[Fixed point combinators|topics/week4_fixed_point_combinators]]
* [[More about fixed point combinators|topics/week4_more_about_fixed_point_combinators]]
* Towards types (in progress)
-* [[Homework for week 4|exercises/assignment4]] (Answers will be posted soon)
+* [[Homework for week 4|exercises/assignment4]] ([[Answers|exercises/assignment4_answers]])
Week 5: