Drexel dragonThe Math ForumDonate to the Math Forum



Search All of the Math Forum:

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.


Math Forum » Discussions » sci.math.* » sci.math.independent

Topic: How to map a Table of a Propositional Calculus wff
’s values to that wff [Important Data Manipulation Problem
]?

Replies: 2   Last Post: Dec 17, 2012 8:09 AM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
Wasell

Posts: 11
Registered: 9/29/10
Re: How to map a Table of a Propositional Calculu
s wff=3Fs values to that wff [Important Data Manipula
tion Problem]?

Posted: Dec 17, 2012 8:09 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

On Fri, 14 Dec 2012 05:57:31 -0800 (PST), in article <a11ee1a7-443d-
4963-8b88-5b5071a9f5f7@r3g2000vbn.googlegroups.com>, Charlie-Boo wrote:
[...]
> There is easily a wff of ORs of ANDs of sets of variable or their
> negations, such as:
>
> (~P ^ Q ^ R) v ( P ^ ~Q ^ R) v (P ^ Q ^ ~R) (1)
>
> where each disjunct (OR argument) represents a tuple (P,Q,R) for which
> the WFF = 1 in the table (3 rows.)


http://en.wikipedia.org/wiki/Disjunctive_normal_form

> I want a wff of ANDs of ORs of sets of variables and their negations
> e.g.:
>
> ( P ) ^ ( ~Q v R ) ^ (P v ~R) ^ (~P v Q v R) (2)


http://en.wikipedia.org/wiki/Conjunctive_normal_form



Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2014. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.