Greg Ewing <greg@cosc.canterbury.ac.nz>: > > The | & one is distinctly less common than either, at least among > > mathematicians; I think EEs and suchlike may use it more than we do. > > I'm surprised that mathematicians use | and & at all. I had always > assumed that these were invented by the programming community, being > available ASCII characters used in programming languages, and that > mathematicians wouldn't ever use them if they had a choice. But maybe > I'm wrong! Your post crossed one of mine in which, on reflection, I said I'd never seen a mathematician use these. Not even me, not when I'm doing math anyway. I still think in Birkhoff's lattice-theory notation. Nevertheless I'm quite comfortable with | & when programming. -- <a href="http://www.tuxedo.org/~esr/">Eric S. Raymond</a>
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