post main Y notes, stubs for others

diff --git a/content.mdwn b/content.mdwn
index 21a4a07..45f8557 100644 (file)
--- a/content.mdwn
+++ b/content.mdwn
@@ -36,6 +36,7 @@ week in which they were introduced.
         *   [[How to get the `tail` of v1 lists?|topics/week3 lists#tails]]
         *   [[Some other list encodings|topics/week3 lists#other-lists]]
     *    Reduction Strategies and Normal Forms
         *   [[How to get the `tail` of v1 lists?|topics/week3 lists#tails]]
         *   [[Some other list encodings|topics/week3 lists#other-lists]]
     *    Reduction Strategies and Normal Forms

+    *   [[Fixed point combinators|topics/week4_fixed_point_combinators]]

 
 
 *    [[Combinatory Logic|topics/week3 combinatory logic]]
 
 
 *    [[Combinatory Logic|topics/week3 combinatory logic]]


@@ -72,3 +73,10 @@ Introduces list comprehensions, discusses how to get the `tail` of lists in the
 *   [[Unit and its usefulness|topics/week3 unit]] (posted on Wednesday)
 *   [[Combinatory Logic|topics/week3 combinatory logic]] (revised on Monday and Tuesday)
 *   [[Homework for week 3|exercises/assignment3]]
 *   [[Unit and its usefulness|topics/week3 unit]] (posted on Wednesday)
 *   [[Combinatory Logic|topics/week3 combinatory logic]] (revised on Monday and Tuesday)
 *   [[Homework for week 3|exercises/assignment3]]

+
+Week 4:
+
+*   [[Fixed point combinators|topics/week4_fixed_point_combinators]]
+*   More on fixed point combinators (in progress)
+*   Towards types (in progress)
+