From: Jim Pryor Date: Thu, 16 Sep 2010 02:45:15 +0000 (-0400) Subject: week1: fix markup processing? X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=commitdiff_plain;h=5df775890efe56f0ba68fa03d406018c2549d71e week1: fix markup processing? Signed-off-by: Jim Pryor --- diff --git a/test2.mdwn b/test2.mdwn new file mode 100644 index 00000000..be55fef0 --- /dev/null +++ b/test2.mdwn @@ -0,0 +1,17 @@ + +Some authors reserve the term "term" for just variables and abstracts. We'll probably just say "term" and "expression" indiscriminately for expressions of any of these three forms. + +Examples of expressions: + + x + (y x) + (x x) + (\x y) + (\x x) + (\x (\y x)) + (x (\x x)) + ((\x (x x)) (\x (x x))) + +The lambda calculus has an associated proof theory. For now, we can regard the +proof theory as having just one rule, called the rule of **beta-reduction** or +"beta-contraction". Suppose you have some expression of the form: diff --git a/week1.mdwn b/week1.mdwn index b5a67fa3..36ebdfcc 100644 --- a/week1.mdwn +++ b/week1.mdwn @@ -59,9 +59,16 @@ We'll tend to write (λa M) as just `(\a M)`, so we don't hav Some authors reserve the term "term" for just variables and abstracts. We'll probably just say "term" and "expression" indiscriminately for expressions of any of these three forms. -Examples *of* expressions: +Examples of expressions: x + (y x) + (x x) + (\x y) + (\x x) + (\x (\y x)) + (x (\x x)) + ((\x (x x)) (\x (x x))) The lambda calculus has an associated proof theory. For now, we can regard the proof theory as having just one rule, called the rule of **beta-reduction** or