week 4: added html comment

[lambda.git] / index.mdwn

diff --git a/index.mdwn b/index.mdwn
index 9fb6872..c18172b 100644 (file)
--- a/index.mdwn
+++ b/index.mdwn
@@ -17,6 +17,7 @@ You should see the student sessions as opportunities to clear up lingering issue
 There is now a [[lambda evaluator]] you can use in your browser (no need to install any software).
 It can help you check whether your answer to some of the homework questions works correctly.
 
+There is now a [library](/lambda_library) of lambda-calculus arithmetical and list operations, some relatively advanced.
 
 <!--
   To play around with a **typed lambda calculus**, which we'll look at later
@@ -43,6 +44,8 @@ Topics: Reduction and Convertibility; Combinators; Evaluation Strategies and Nor
 
 Topics: Recursion with Fixed Point Combinators
 
+(4 Oct) Lecture notes for Week 4
+
 <!-- Introducing the notion of a "continuation", which technique we'll now already have used a few times
 -->