X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=topics%2Fweek4_fixed_point_combinators.mdwn;h=a8d1a7497602c451a111b0470aac317097f2eac7;hp=20c2974826966af354518de09b5c1ebb7c994e29;hb=579d2f1e8dcf2485a09c6a318f0017c0e577963b;hpb=bef6f3002b20e10381d43cc39ea617fbddf2f62f
diff --git a/topics/week4_fixed_point_combinators.mdwn b/topics/week4_fixed_point_combinators.mdwn
index 20c29748..a8d1a749 100644
--- a/topics/week4_fixed_point_combinators.mdwn
+++ b/topics/week4_fixed_point_combinators.mdwn
@@ -519,6 +519,7 @@ Many fixed-point combinators have been discovered. (And as we've seen, some
fixed-point combinators give us models for building infinitely many
more, non-equivalent fixed-point combinators.)
+
Two of the simplest:
Îâ² â¡ (\u h. h (\n. u u h n)) (\u h. h (\n. u u h n))