Article View: comp.lang.prolog
Article #557Re: Prefix operators and blanks (was: WG17)
From: Mats Carlsson
Date: Fri, 08 Dec 1989 07:52
Date: Fri, 08 Dec 1989 07:52
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1249 bytes
In article <MATSC.89Dec6095053@vishnu.sics.se> matsc@sics.se (Mats Carlsson) writes:
Another way of avoiding the ambiguity with `not(a,b)', `not (a,b)',
... (assuming spaces before the `(' are no longer significant) would
be to simply disallow the use of `,' as an infix operator.
I would like to retract this comment. As John Dowding at UNISYS has
pointed out, it would either require a difference between the syntax
of clauses and the syntax or terms, or make clauses look extremely
awkward.
--
Mats Carlsson
SICS, PO Box 1263, S-164 28 KISTA, Sweden Internet: matsc@sics.se
Tel: +46 8 7521543 Ttx: 812 61 54 SICS S Fax: +46 8 7517230
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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!samsung!uunet!mcsun!sunic!sics.se!sics.se!matsc From: matsc@sics.se (Mats Carlsson) Newsgroups: comp.lang.prolog Subject: Re: Prefix operators and blanks (was: WG17) Message-ID: <MATSC.89Dec8085240@vishnu.sics.se> Date: 8 Dec 89 07:52:40 GMT References: <24703@cup.portal.com> <MATSC.89Dec6095053@vishnu.sics.se> Sender: news@sics.se Organization: Swedish Institute of Computer Science, Kista Lines: 14 In-Reply-To: matsc@sics.se's message of 6 Dec 89 09:50:53