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2011/5/4 Robert Derman <>

Olivier Hallot wrote:

Em 04-05-2011 13:11, M Henri Day escreveu:

2011/5/4 Olivier Hallot<>

 Thanks Mike for the tip

As I see, this character U+2204, does not exist in Opensymbol font, used
Math by default. At least not in the displayed characters of Math UI.

So, if this symbol get implemented in Opensymbol, it will be trivial to
make it show in the Element window....


Olivier, in Linux operating systems such as, e g, Ubuntu, symbols like
the ∄
symbol can easily be inserted in a LibreOffice document by holding the
and Shift keys and pressing u (Ctrl+Shift+u) and then typing the
code (in this case) 2204 and pressing the space bar. But I agree, this
of logic symbol should certainly be included in the list of special
characters in LibreOffice Math....


Yes, in a Mandriva system as well, although I run out of fingers to type
such key combination!!!!!!

Does not work in Windows...

Since the majority of computer users have the Windows OS, it sounds like we
need to specifically add this character to the set of Math characters.

As I noted above, I quite agree that these logical symbols should be added
to the list of special characters in LibreOffice Math. However, until they
are, there exists a workaround for Windows users, which even works with
Windows 7 (checked on 64-bit Win7 Pro) ; namely, to install UnicodeInput ( Note, however, that
(for me at least), it is not the hex code, but rather the decimal code that
must be used to import the glyph ; thus entering «2204» (without the
quotation marks) in the tool gives me the desired ∄, whereas entering
«089c»gives me a glyph I cannot read ࢜ with the fonts I have installed on


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