+(**Week 4**) Thursday 19 February 2015
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+> Topics: [[!img images/tabletop_roleplaying.png size="240x240" alt="Hey, no recursing"]]
+[[Yes, recursing|topics/week4_fixed_point_combinators]];
+[[More about fixed point combinators|topics/week4_more_about_fixed_point_combinators]];
+Towards types (in progress);
+[[Homework|exercises/assignment4]]
+
+> Now you can read Sections 3.1 and 6.1 of Hankin; and browse the rest of Hankin Chapter 6, which should look somewhat familiar.
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+> If you're reading along in the Pierce book, we've now covered much of the material in his Chapters 1-7.
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+> We posted [[answers to Week 3's homework|exercises/assignment3_answers]].
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+