Re : Content MathML Symbols

Hello,
 I am building online tutorials for a logic class, and i am using content
MathML for the logic symbols.
 But i looked through the content elements page on
  http://www.w3.org/TR/MathML2/chapter4.html#contm_elem

 and i couldn't find the symbols for

    <=    reduction
    <=>  logical equivalence

 Am i looking in the wrong place or are these symbols not supported

 Thank you

 tunji

Received on Monday, 26 August 2002 16:14:11 UTC