From 8bda0f01a43100a6490cd79196555f947e6d15e2 Mon Sep 17 00:00:00 2001 From: Jim Pryor Date: Wed, 15 Sep 2010 21:21:31 -0400 Subject: [PATCH] week1: tweaks Signed-off-by: Jim Pryor --- week1.mdwn | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/week1.mdwn b/week1.mdwn index 14e68c98..254aa0b4 100644 --- a/week1.mdwn +++ b/week1.mdwn @@ -66,7 +66,7 @@ It's often said that dynamic systems are distinguished because they are the ones false and * = false false and false = false -And then we'd notice that ` * and false` has a different intepretation than `false and *`. (The same phenomenon is already present with the mateial conditional in bivalent logics; but seeing that a non-symmetric semantics for `and` is available even for functional languages is instructive.) +And then we'd notice that \* and false has a different intepretation than false and \*. (The same phenomenon is already present with the material conditional in bivalent logics; but seeing that a non-symmetric semantics for `and` is available even for functional languages is instructive.) Another way in which order can matter that's present even in functional languages is that the interpretation of some complex expressions can depend on the order in which sub-expressions are evaluated. Evaluated in one order, the computations might never terminate (and so semantically we interpret them as having "the bottom value"---we'll discuss this). Evaluated in another order, they might have a perfectly mundane value. Here's an example, though we'll reserve discussion of it until later: -- 2.11.0