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**To**:*Taco Hoekwater <taco.hoekwater@wkap.nl>***Subject**:**Re: Math Arrows and Harpoons****From**:*Hans Aberg <haberg@matematik.su.se>***Date**: Wed, 11 Nov 1998 11:53:53 +0100**Cc**:*math-font-discuss@cogs.susx.ac.uk*- Content-Length: 1207

At 00:56 +0100 1998/11/11, Taco Hoekwater wrote: >If you know something about math arrows & harpoons or if you just >want to play around with a new font, have a look at: > >http://www.cybercomm.nl/~bittext/fonts/arrows.html I could not read the PDF file from Acrobat Reader. [Quote from this URL] > * I added 129 (leftzigzagarrow) and 171 (shortleftarrowrightarrow). > Are these ever used? > * There are some other "symmetry cases" that I did not do, like the missing > "similar above left arrow" and "dotted left arrow". Should these be added? In general, all symmetry cases for binary relations and arrows and such should be added, becuase at some point one may need it in mathematics: It proves to be difficiult to find such symbols which are good and readable, so these symbols will surely show up in new contexts. For example, I wanetd to use the LaTeX \leadsto to mean "evaluates to", but then I could not have a version pointing to the left, as I think might be needed. Hans Aberg * Email: Hans Aberg <mailto:haberg@member.ams.org> * Home Page: <http://www.matematik.su.se/~haberg/> * AMS member listing: <http://www.ams.org/cml/>

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