17. [Phil/ling application] Expletives
18. Some references:
- * [de Groote on the lambda-mu calculus in linguistics](http://www.loria.fr/%7Edegroote/papers/amsterdam01.pdf)
- * on donkey anaphora and continuations
- * [Wadler on symmetric sequent calculi](http://homepages.inf.ed.ac.uk/wadler/papers/dual-reloaded/dual-reloaded.pdf)
+ * [de Groote on the lambda-mu calculus in linguistics](http://www.loria.fr/%7Edegroote/papers/amsterdam01.pdf)
+ * [on donkey anaphora and continuations](http://dx.doi.org/10.3765/sp.1.1)
+ * [Wadler on symmetric sequent calculi](http://homepages.inf.ed.ac.uk/wadler/papers/dual-reloaded/dual-reloaded.pdf)
19. Dependent types
## Side-effects and mutation ##
1. What difference imperativity makes
-2. Monads we've seen, and the "monadic laws" (computer science version)
+2. Monads we've already seen, and the "monadic laws" [computer science version: Wadler](http://homepages.inf.ed.ac.uk/wadler/papers/marktoberdorf/baastad.pdf)
3. Side-effects in a purely functional setting, via monads
4. The basis of monads in category theory
5. Other interesting monads: reader monad, continuation monad