X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=hints%2Fassignment_4_hint_3_hint_1.mdwn;h=eed21a6ffef7be197ebd7c03eacfe03f08d7c56c;hp=8f06c37a3f29095c8bf10ad6b68275bbed87aea4;hb=affbdc10324a26c9aa6988f49294605dea9663d2;hpb=52a6d4e297a63779681aa4b77943294e7c64d514 diff --git a/hints/assignment_4_hint_3_hint_1.mdwn b/hints/assignment_4_hint_3_hint_1.mdwn index 8f06c37a..eed21a6f 100644 --- a/hints/assignment_4_hint_3_hint_1.mdwn +++ b/hints/assignment_4_hint_3_hint_1.mdwn @@ -1,4 +1,4 @@ What does it mean to define X1 and X2 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. +takes a number `n` as argument 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...