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Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!uunet!mcsun!unido!pcsbst!horst
From: horst@pcsbst.UUCP (horst)
Newsgroups: comp.lang.ada
Subject: Re: Question about Ada expressions
Message-ID: <1089@pcsbst.UUCP>
Date: 13 Oct 89 14:38:27 GMT
References: <72799@linus.UUCP> <6699@hubcap.clemson.edu> <16192@vail.ICO.ISC.COM> <8834@spool.cs.wisc.edu>
Reply-To: aida!horst@pcsbst.UUCP (horst kern)
Organization: PCS GmbH, Pfaelzer-Wald-Str. 36, 8000 Muenchen; West-Germany
List-Id: <comp.lang.ada>

In article <8834@spool.cs.wisc.edu> schmidt@green.cs.wisc.edu (Perry Schmidt) writes:
>
>In Ada, when building boolean expressions you must put ANDs and ORs (and
>OR ELSES, etc) in parents IF you use them in mixed combination.
>...
>Does this remove some semantic ambiguity?  Or is it just the "Ada style!"

Yes, there is an ambiguity. The precedence of 'and' and 'or'
is not so commonly agreed as that of '*' and '+'. So the
designers chose to require parenthesis.
Regards,
 horst