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author
barker
<barker@web>
Mon, 4 Oct 2010 17:21:49 +0000
(13:21 -0400)
committer
Lambda Wiki
<lambda@SERVER.PHILOSOPHY.FAS.NYU.EDU>
Mon, 4 Oct 2010 17:21:49 +0000
(13:21 -0400)
hints/assignment_4_hint_3_hint_1.mdwn
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a/hints/assignment_4_hint_3_hint_1.mdwn
b/hints/assignment_4_hint_3_hint_1.mdwn
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--- a/
hints/assignment_4_hint_3_hint_1.mdwn
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hints/assignment_4_hint_3_hint_1.mdwn
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-1,4
+1,4
@@
-What does it mean to define X1 and X
1
directly? Well, X1 needs to be a function that
+What does it mean to define X1 and X
2
directly? Well, X1 needs to be a function that
takes a number as argument n and returns true if n is even and false if n is not even.
So X1 must have the behavior of the `even` function. Fortunately, it's easy to write
such a function without using any fixed-point combinators...
takes a number as argument n and returns true if n is even and false if n is not even.
So X1 must have the behavior of the `even` function. Fortunately, it's easy to write
such a function without using any fixed-point combinators...