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more4 assignment1 tweaks
author
Jim Pryor
<profjim@jimpryor.net>
Tue, 14 Sep 2010 15:53:40 +0000
(11:53 -0400)
committer
Jim Pryor
<profjim@jimpryor.net>
Tue, 14 Sep 2010 15:53:40 +0000
(11:53 -0400)
Signed-off-by: Jim Pryor <profjim@jimpryor.net>
assignment1.mdwn
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diff --git
a/assignment1.mdwn
b/assignment1.mdwn
index
05787ca
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--- a/
assignment1.mdwn
+++ b/
assignment1.mdwn
@@
-17,8
+17,8
@@
Booleans
Recall our definitions of true and false.
->
`true`
defined to be `\t \f. t`
->
`false`
defined to be `\t \f. f`
+>
**true**
defined to be `\t \f. t`
+>
**false**
defined to be `\t \f. f`
In Racket, these can be defined like this:
@@
-75,7
+75,7
@@
Pairs
Recall our definitions of ordered pairs.
-> the pair
(x,y)
is defined as `\f. f x y`
+> the pair
**(**x**,**y**)**
is defined as `\f. f x y`
To extract the first element of a pair p, you write: