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update juli8 to 1.4
[lambda.git]
/
exercises
/
assignment3_answers.mdwn
diff --git
a/exercises/assignment3_answers.mdwn
b/exercises/assignment3_answers.mdwn
index
0db7c26
..
082cb77
100644
(file)
--- a/
exercises/assignment3_answers.mdwn
+++ b/
exercises/assignment3_answers.mdwn
@@
-121,7
+121,7
@@
> let pred = \n. n shift (pair 0 err) snd in
> ...
> let pred = \n. n shift (pair 0 err) snd in
> ...
- > Here is another solution,
due to Martin Bunder and F. Urbanek
:
+ > Here is another solution,
that is attributed variously to Martin Bunder and F. Urbanek, or J. Velmans
:
> let box = \a. \v. v a in
> let pred = \n. \s z. n (\b. box (b s)) (K z) I in
> let box = \a. \v. v a in
> let pred = \n. \s z. n (\b. box (b s)) (K z) I in