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``Pi^0_n definition correct?'' by iddo on 2003-09-02 06:20:19

I think that $Pi^0_n$ definition should require that $xi$ (the inner formula) be a $Delta_0$ formula, and not $Delta^0_1$.

[ reply | up ]

Re: Pi^0_n definition correct? by flynnheiss on 2003-09-07 04:42:57
- Re: Pi^0_n definition correct? by iddo on 2003-09-07 05:40:53
Re: Pi^0_n definition correct? by flynnheiss on 2003-09-07 04:46:34
Re: Pi^0_n definition correct? by g_edgar on 2008-07-10 08:59:13

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