X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?a=blobdiff_plain;f=index.mdwn;h=0c072c85cf0f43e4b3cffea6f1d851d74e8daceb;hb=50395ea8bd3a1d76a12bc9a371b67285c4311d7a;hp=039035011f99d9f0ebe7592903e3c6b9c818ea5d;hpb=0da178367cda4feaf08df9a101b7d36eedee9f58;p=lambda.git

diff --git a/index.mdwn b/index.mdwn
index 03903501..0c072c85 100644
--- a/index.mdwn
+++ b/index.mdwn
@@ -110,7 +110,7 @@ The [[differences between our made-up language and Scheme, OCaml, and Haskell|ro
 [[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]]