From: <juanrgonzaleza@canonicalscience.com>

Date: Tue, 16 May 2006 05:36:22 -0700 (PDT)

Message-ID: <4319.217.124.88.134.1147782982.squirrel@webmail.canonicalscience.com>

To: <www-math@w3.org>

Date: Tue, 16 May 2006 05:36:22 -0700 (PDT)

Message-ID: <4319.217.124.88.134.1147782982.squirrel@webmail.canonicalscience.com>

To: <www-math@w3.org>

The chapter 4 of MathML 2.0 specification is far from precise at this point. Moreover, the tutorial [http://cnx.org/content/m9008/latest/] recommends next code <m:math> <m:apply> <m:minus/> <m:ci>x</m:ci> </m:apply> </m:math> to representing the negative of a variable, and recommends <m:math><m:cn>-1</m:cn></m:math> for the negative of a number. Whereas the next MathML tutorial [http://www.pragma-ade.com/general/manuals/mmlprime.pdf] says <blockquote> Although <cn>-37</cn> is valid, using minus is sometimes more clear. <math> <apply> <minus/> <cn> 37 </cn> </apply> </math> </blockquote> What is the difference if any between both encodings? What may be preferred? (I personally prefer unary usage of <minus/>) Juan R. Center for CANONICAL |SCIENCE)Received on Tuesday, 16 May 2006 12:36:41 UTC

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