Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site fortune.UUCP Path: utzoo!linus!philabs!seismo!hao!hplabs!hpda!fortune!rpw3 From: rpw3@fortune.UUCP Newsgroups: net.lang Subject: Re: Superstition in Programmers - (nf) Message-ID: <2153@fortune.UUCP> Date: Tue, 3-Jan-84 04:03:13 EST Article-I.D.: fortune.2153 Posted: Tue Jan 3 04:03:13 1984 Date-Received: Wed, 4-Jan-84 05:09:36 EST Sender: notes@fortune.UUCP Organization: Fortune Systems, Redwood City, CA Lines: 19 #R:abnjh:-34800:fortune:15100005:000:531 fortune!rpw3 Jan 2 23:44:00 1984 And now that we all have gotten superstitious and use "geq" where we mean "eql", and "<=0" where we mean "=0", along come Edsger Dijkstra, David Gries, and others saying "No, no, that makes proving your programs harder! Make your termination conditions EXACT!" Ref: Discipline of Programming (Dijkstra) Science of Programming (Gries) Can't win for losing... Rob Warnock UUCP: {sri-unix,amd70,hpda,harpo,ihnp4,allegra}!fortune!rpw3 DDD: (415)595-8444 USPS: Fortune Systems Corp, 101 Twin Dolphins Drive, Redwood City, CA 94065