X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=week4.mdwn;h=f92ea169d4e09cc67c097cb104be303328dd607f;hp=fb843462cfda3053bfe8c95651ae56fc72375d85;hb=9bd471a9af2e11b8490fe386f72270218333499c;hpb=d6f2385162de2e0c3c29758d90ef0ec89ae9f776 diff --git a/week4.mdwn b/week4.mdwn index fb843462..f92ea169 100644 --- a/week4.mdwn +++ b/week4.mdwn @@ -27,11 +27,13 @@ of `T`, by the reasoning in the previous answer. A: Right:
let Y = \T. (\x. T (x x)) (\x. T (x x)) in
-Y Y ≡ \T. (\x. T (x x)) (\x. T (x x)) Y
+Y Y
+≡   \T. (\x. T (x x)) (\x. T (x x)) Y
 ~~> (\x. Y (x x)) (\x. Y (x x))
 ~~> Y ((\x. Y (x x)) (\x. Y (x x)))
 ~~> Y (Y ((\x. Y (x x)) (\x. Y (x x))))
-~~> Y (Y (Y (...(Y (Y Y))...)))
+~~> Y (Y (Y (...(Y (Y Y))...))) + #Q: Ouch! Stop hurting my brain.#