Re: Refutation of Bertrand Russell's Barber Paradox

From: Peter Olcott (olcott_at_worldnet.att.net)
Date: 06/08/04


Date: Tue, 08 Jun 2004 08:32:29 GMT


> "Valid reasoning is truth-*preserving*. It can't tell us what is
> true and what is not, it can only tell us that our conclusions
> are true *if* our premises are true."
>
> Right. But _why would it be of any importance_ to have that property IF
> there were no such things as true premisses? ;-)
>
>
> F.

Sometimes one can only know that at least one of the premises is NOT
true, specifically because the reasoning based on the premises leads to
contradiction.