equality of t_INTMODs

Max Alekseyev <[email protected]>
Newsgroups gmane.comp.mathematics.pari.user
Message-ID <CAJkPp5PbrmnyofhFsap0BBg5V+TD=17=KDf03BJOYnMBbvANyQ@mail.gmail.com> 
Hello,

In view of a recently discovered issue in Sage (
https://github.com/sagemath/sage/issues/39372), I'd like to check how the
following two (in)equalities co-exist in PARI/GP. Do they violate any
design conventions and/or represent a notable exception to those?

? Mod(14,20) == Mod(39,55)
%1 = 0
? Mod(14,20) - Mod(39,55) == 0
%2 = 1

Regards,
Max
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