X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?a=blobdiff_plain;f=lambda_library.mdwn;h=423ad596c0d342875fe370f23df095bff93cc88c;hb=affbdc10324a26c9aa6988f49294605dea9663d2;hp=0c00c4508e5f7d62c4b79086aec13cfc30769229;hpb=9e49e4a8db892623d6f3dd202aad27a8547ad826;p=lambda.git

diff --git a/lambda_library.mdwn b/lambda_library.mdwn
index 0c00c450..423ad596 100644
--- a/lambda_library.mdwn
+++ b/lambda_library.mdwn
@@ -65,9 +65,9 @@ and all sorts of other places. Others of them are our own handiwork.
 	; more efficient reverse builds a left-fold instead
 	; make_left_list a (make_left_list b (make_left_list c empty)) ~~> \f z. f c (f b (f a z))
 	let reverse = (\make_left_list lst. lst make_left_list empty) (\h t f z. t f (f h z))  in
-	; most elegant
+	; from Oleg, of course it's the most elegant
 	; revappend [a;b;c] [x;y] ~~> [c;b;a;x;y]
-	let revappend = \lst. lst (\hd sofar. \lst. sofar (make_list hd lst)) I  in
+	let revappend = \left. left (\hd sofar. \right. sofar (make_list hd right)) I  in
 	let rev = \lst. revappend lst empty  in
 	; zip [a;b;c] [x;y;z] ~~> [(a,x);(b,y);(c,z)]
 	let zip = \left right. (\base build. reverse left build base (\x y. reverse x))
@@ -331,7 +331,7 @@ let list_equal =
                 (\might_be_equal right_tail. and might_be_equal (isempty right_tail))
 
 ; most elegant
-let list_equal = \lst. lst (\hd sofar. \lst. and (and (not (isempty lst)) (eq hd (head lst))) (sofar (tail lst))) isempty
+let list_equal = \left. left (\hd sofar. \right. and (and (not (isempty right)) (eq hd (head right))) (sofar (tail right))) isempty
 
 -->