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Merge branch 'pryor'
author
Jim Pryor
<profjim@jimpryor.net>
Sun, 3 Oct 2010 19:43:20 +0000
(15:43 -0400)
committer
Jim Pryor
<profjim@jimpryor.net>
Sun, 3 Oct 2010 19:43:20 +0000
(15:43 -0400)
week4.mdwn
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b/week4.mdwn
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week4.mdwn
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week4.mdwn
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-27,11
+27,13
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of `T`, by the reasoning in the previous answer.
A: Right:
<pre><code>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))...)))</code></pre>
+~~> Y (Y (Y (...(Y (Y Y))...)))
+</code></pre>
#Q: Ouch! Stop hurting my brain.#