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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

 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

On Fri, 14 Dec 2012 05:57:31 -0800 (PST), in article <a11ee1a7-443d-
[...]
> 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

Date Subject Author
12/14/12 Charlie-Boo
12/16/12 Ken.Pledger@vuw.ac.nz
12/17/12 Wasell