[FOM] FOM BUFFALO LOGIC COLLOQUIUM 3RD 2008-9
T.Forster at dpmms.cam.ac.uk
Sat Nov 8 06:33:39 EST 2008
Where does Beth say this? For that matter where does Aristotle say
it? It's a point worth making to beginners.
(I am putting together a baby logic course as i write this...)
On Fri, 7 Nov 2008, John Corcoran wrote:
> p.122. Evert Beth said that Aristotle's most important discovery was that
> the same processes of reasoning used to infer new truths from propositions
> previously known to be true are also used to deduce consequences from
> premises not known to be true and even from premises known to be false;
> something Frege never noticed, as least not in print.-Frango Nabrasa.
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