[latexrefman] \bigtriangleup appears to be a binary operator

Karl Berry karl at freefriends.org
Wed Apr 20 00:15:45 CEST 2022

    Does this mean that \bigtriangleup is actually a binary operator?
    The same applies to \bigtriangledown as well.

Evidently yes, since the LaTeX source declares them with \mathbin:


By the way, I see there is also:

though I'm not sure what fonts actually have a "var" form for these.

Probably there are other discrepancies between our table and the reality. 
Maybe one day someone will do a systematic check. Meanwhile, I'll at
least fix these two.

Thanks for the report. --best, karl.

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