X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=assignment_3_evaluator.mdwn;h=b0835a9afc75a5f33620693d93b232a2897cbcd4;hp=7a453e6428c641e35ecdf0ba7b391f04d8bfe5da;hb=706831f192a9534f7dbb32c81535cd2b3b32a6f1;hpb=3728bbf894452c4fdca939e81db2037d87ec946b

diff --git a/assignment_3_evaluator.mdwn b/assignment_3_evaluator.mdwn
index 7a453e64..b0835a9a 100644
--- a/assignment_3_evaluator.mdwn
+++ b/assignment_3_evaluator.mdwn
@@ -1,8 +1,6 @@
 Here are the definitions pre-loaded for working on assignment 3:
 
-<textarea id="INPUT" style="border: 2px solid black;
-color: black; font-family: monospace; height: 3in;
-overflow: auto; padding: 0.5em; width: 100%;">
+<textarea id="INPUT" style="border: 2px solid black; color: black; font-family: monospace; height: 3in; overflow: auto; padding: 0.5em; width: 100%;">
 ; booleans
 let true = \x y. x in
 let false = \x y. y in
@@ -15,10 +13,10 @@ let isempty = \x. x fst in
 let make_list = \h t. make_pair false (make_pair h t) in
 let head = \l. isempty l err (l snd fst) in
 let tail = \l. isempty l err (l snd snd) in
-;
+
 ; a list of numbers to experiment on
 let mylist = make_list 1 (make_list 2 (make_list 3 empty)) in
-;
+
 ; church numerals
 let iszero = \n. n (\x. false) true in
 let succ = \n s z. s (n s z) in
@@ -26,12 +24,12 @@ let mul = \m n s. m (n s) in
 let pred = \n. iszero n 0 (length (tail (n (\p. make_list junk p) empty))) in
 let leq = \m n. iszero(n pred m) in
 let eq = \m n. and (leq m n)(leq n m) in
-;
+
 ; a fixed-point combinator for defining recursive functions
 let Y = \f. (\h. f (h h)) (\h. f (h h)) in
-;
+
 let length = Y (\length l. isempty l 0 (succ (length (tail l)))) in
-;
+
 ; synonyms
 let makePair = make_pair in
 let nil = empty in
@@ -39,9 +37,10 @@ let isNil = isempty in
 let makeList = make_list in
 let isZero = iszero in
 let mult = mul in
-;
+
 length (tail mylist)
 </textarea>
+
 <input id="PARSE" value="Normalize" type="button">
 <input id="ETA" type="checkbox">do eta-reductions too
 <noscript><p>You may not see it because you have JavaScript turned off. Uffff!</p></noscript>