Why are some minus signs not cancelled?

Dirk Laurie on Sun, 04 Aug 2013 07:20:29 +0200

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Why are some minus signs not cancelled?

To: pari-users@pari.math.u-bordeaux.fr
Subject: Why are some minus signs not cancelled?
From: Dirk Laurie <dirk.laurie@gmail.com>
Date: Sun, 4 Aug 2013 07:20:17 +0200

Why does Pari/GP simplify -1/-2 to 1/2 but not -1/-x to 1/x?

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- Re: Why are some minus signs not cancelled?
  - From: Bill Allombert <Bill.Allombert@math.u-bordeaux1.fr>

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