From lains@caramail.com  Thu Jun  8 15:39:45 2000
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Posted-Date: Thu, 8 Jun 2000 15:45:13 +0100 (WET DST)
From: Lionel Ains <lains@caramail.com>
To: prolog@swi.psy.uva.nl
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Subject: subtract/3
Date: Thu, 8 Jun 2000 15:40:14 GMT+1
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Hi,

in the SWI-Prolog manual about subtract (p93), it seems 
that the first argument must be a set.
However, it seems also to work quite well with lists, and 
that's what I would like to do.
Can someone confirm that 'Set' can be a list.

Cheers,

Lionel



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