PEP 308: Rejection of C ?? T || F
Erik Max Francis
max at alcyone.com
Sat Feb 15 05:48:06 CET 2003
Terry Reedy wrote:
> Half wrong, right, don't know. Sheffer used | in 1913 for his
> postulates for Boolean algebra. By Boolean duality (where you swap T
> with F and and with or), p|q can be consistently interpreted as either
> not(p or q) or not(p and q), but I this the former is how it is
> thought of more often.
And the symbol when used that way is actually called the "Sheffer
stroke," though I've only seen it used to indicate the latter meaning,
not (p and q).
Erik Max Francis / max at alcyone.com / http://www.alcyone.com/max/
__ San Jose, CA, USA / 37 20 N 121 53 W / &tSftDotIotE
/ \ There was one thing I didn't show / I love him and he doesn't know
Bosskey.net: Return to Wolfenstein / http://www.bosskey.net/rtcw/
A personal guide to Return to Castle Wolfenstein.
More information about the Python-list