In message <[email protected]>, dated Tue, 2 May 2006, John Woodgate <[email protected]> writes
>Yes, and UL 94 is correct; UL60950 isn't. Curiously, a similar case >arose in amending IEC 60065, and I had to use the same argument to >demonstrate the proposition 'A OR B = NOT A AND NOT B'. OOPS! (a logical operator not envisaged by Boole!) That should be: 'A OR B = NOT(NOT A AND NOT B)'. -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk 2006 is YMMVI- Your mileage may vary immensely. John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas [email protected] Mike Cantwell [email protected] For policy questions, send mail to: Jim Bacher: [email protected] David Heald: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc

