Re: re: Tautology

[Rod Hay <rodhay@xxxxxxxxxx>]

Yes, of course, Charles.

Rod

Charles Brown wrote:

> >>> rodhay@xxxxxxxxxx 06/30/00 01:25PM >>>
> After thinking better of my sarcastic tone to Carrol's message. Let me
> explain.
>
> A tautology is a statement that is true by definition. That is, it is
> always true.
>
> A = A is a tautology.
>
> A = B is not a tautology. That is, it might be false.
>
> Similarly all true statements are not tautologies. I.e., A = B might be
> true.
>
> __________
>
> CB: Sorry, couldn't help saying this since we are in a logical vein. You mean "not all true statements are tautologies" , I believe.
>
> I agree with your post, though.
>
> _________
>
> If all statements were tautologies, math and logic would be very easy.
> Anything you write down would be true. No need to prove anything.
>
> --

--
Rod Hay
rodhay@xxxxxxxxxx
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