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Message from discussion Quantifier free sets
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Zuhair  
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 More options Sep 25 2012, 2:37 pm
Newsgroups: sci.logic, sci.math
From: Zuhair <zaljo...@gmail.com>
Date: Tue, 25 Sep 2012 11:37:31 -0700 (PDT)
Local: Tues, Sep 25 2012 2:37 pm
Subject: Re: Quantifier free sets
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On Sep 25, 8:53 pm, MoeBlee <modem...@gmail.com> wrote:

> On Sep 25, 6:57 am, Zuhair <zaljo...@gmail.com> wrote:

> > if {phi} do not occur
> > free in phi(y),

> What does "occur free" mean for '{phi}'? What is a bound occurrence of
> {phi} as opposed to a free occurence?

> natural(y)

> What is your PRA definition of 'natural"?

> MoeBlee

No definition, natural is a primitive one place predicate to be added
to the list of primitives of PRA, and all known axioms of PRA must be
relativised to naturals, and to this we add the above axioms

Zuhair


 
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