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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

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Ken.Pledger@vuw.ac.nz

Posts: 1,268
Registered: 12/3/04
Re: How to map a Table of a Propositional Calculus wff�s values to that wff [Important Data Manipulation Problem]?
Posted: Dec 16, 2012 5:32 PM
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In article
<a11ee1a7-443d-4963-8b88-5b5071a9f5f7@r3g2000vbn.googlegroups.com>,
Charlie-Boo <shymathguy@gmail.com> 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)
> ....
> 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)
> ....



To make a start with two variables, search for "Karnaugh maps".

Ken Pledger.

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