[[More on Lists|topics/week3 lists]] (expanded on Sunday);
[[What is computation?|topics/week3_what_is_computation]];
Reduction Strategies and Normal Forms (in progress);
-Usefulness of `()` (in progress);
+[[Unit and its usefulness|topics/week3 unit]] (posted on Wednesday);
[[Combinatory Logic|topics/week3 combinatory logic]] (revised on Monday and Tuesday);
[[Homework|exercises/assignment3]]