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Merge branch 'pryor'
[lambda.git]
/
week4.mdwn
diff --git
a/week4.mdwn
b/week4.mdwn
index
fb84346
..
f92ea16
100644
(file)
--- a/
week4.mdwn
+++ b/
week4.mdwn
@@
-27,11
+27,13
@@
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
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))))
~~> (\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.#
#Q: Ouch! Stop hurting my brain.#