From: jim
Date: Sat, 14 Feb 2015 23:25:57 +0000 (-0500)
Subject: glossary for joke
X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=commitdiff_plain;h=326f5e9a50056fbee081e41a8bbe034114bcdf71;ds=sidebyside
glossary for joke
---
diff --git a/topics/week3_church_arithmetic.mdwn b/topics/week3_church_arithmetic.mdwn
index 8907c12a..17d38b08 100644
--- a/topics/week3_church_arithmetic.mdwn
+++ b/topics/week3_church_arithmetic.mdwn
@@ -72,4 +72,4 @@ If we continue in this direction, we end up defining `l^r` (where `2^5` is `32`)
Not all of the arithmetic encodings are so neat and elegant, however. As we mentioned, `pred` takes some ingenuity. We'll also have you define `zero?` and `≤`

for homework.
-Here is an example of [some programmers having fun with Church numbers](http://www.schemers.org/Miscellaneous/imagine.txt).
+Here is an example of [some programmers having fun with Church numbers](http://www.schemers.org/Miscellaneous/imagine.txt). A tiny glossary: FORTRAN is a very old imperatival language that Scheme hoped to replace; SML is a sister language to OCaml; Chez is one Scheme implementation (like Racket and Chicken); and you will learn about "Y" next week. You should be able to figure out what the refrain means.