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Path: utzoo!linus!philabs!pwa-b!mmintl!franka
From: franka@mmintl.UUCP (Frank Adams)
Newsgroups: net.space
Subject: Re: SPACE Digest V6 #19
Message-ID: <800@mmintl.UUCP>
Date: Sun, 17-Nov-85 22:52:16 EST
Article-I.D.: mmintl.800
Posted: Sun Nov 17 22:52:16 1985
Date-Received: Thu, 21-Nov-85 20:32:15 EST
References: <ota@s1-b.arpa> <8511141111.AA <8511142311.AA02684@s1-b.arpa>
Reply-To: franka@mmintl.UUCP (Frank Adams)
Organization: Multimate International, E. Hartford, CT
Lines: 19
Summary: 


In article <8511142311.AA02684@s1-b.arpa> bilbo.niket@LOCUS.UCLA.EDU ("Niket K. Patwardhan") writes:
>
>I don't know why causality should be linked to pure forward motion in time.
>(Ie why cant something that happens in the future cause something in the
>past?)  If you really want to preserve the transitivity of causality, all you
>need is that space-time have some kind of directionality, ie you can go from
>point A to point B but not from B to A.

That directionality is called time.

>You can also make time travel possible as a
>notion if you eliminate the idea of free will (ie if I travelled back in time,
>something would prevent me from killing my father before I was conceived, even
>if I had all the means to do so!)

What something, pray tell?

Frank Adams                           ihpn4!philabs!pwa-b!mmintl!franka
Multimate International    52 Oakland Ave North    E. Hartford, CT 06108