[wxMaxima-devel] Empty Set Symbol

[ozzy82 <pu...@ti...>]

I'm working in the sets theory... What i have to do if I want everytime there
is a {} (empty set) in a result maxima shows a symbol (or a letter)?

Example:

{{},{{}}}

I want maxima showing this:

{ES,{ES}}

(ES for Empty Set...but it's okay anyway..)

Please Help me! .
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