From: barker Date: Sun, 19 Sep 2010 15:50:35 +0000 (-0400) Subject: (no commit message) X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?a=commitdiff_plain;ds=sidebyside;h=c9f0198dac937d93c73815bc1149921718af88c7;hp=-c;p=lambda.git --- c9f0198dac937d93c73815bc1149921718af88c7 diff --git a/week2.mdwn b/week2.mdwn index 2612dd2b..e6771bfe 100644 --- a/week2.mdwn +++ b/week2.mdwn @@ -148,7 +148,7 @@ Let's check that the translation of the false boolean behaves as expected by fee Throws away the first argument, returns the second argument---yep, it works. -Here's a more elaborat example of the translation. The goal is to establish that combinators can reverse order, so we use the T combinator, where `T = \x\y.yx`: +Here's a more elaborate example of the translation. The goal is to establish that combinators can reverse order, so we use the T combinator, where `T = \x\y.yx`: [\x\y.yx] = [\x[\y.yx]] = [\x.S[\y.y][\y.x]] = [\x.(SI)(Kx)] = S[\x.SI][\x.Kx] = S(K(SI))(S[\x.K][\x.x]) = S(K(SI))(S(KK)I)