use only one symbol of txfonts

Peter Grabs <[email protected]>
Newsgroups gmane.comp.tex.miktex
Message-ID <[email protected]>
hello group.

i was looking for a kind of double \perp symbol and found it as \Perp in txfonts (a horizontal line with two vertical lines centred above it). the problem is: once i use that package, my entire document turns ugly since its font seems to be completely exchanged. 

my question is either:
 a) where else do i find such a symbol? if i remember correctly it was even in text ascii fonts under dos (used to make tables and such).
or 
b) how can i use \Perp from txfonts without changing the rest of the document?

regards,
peter
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