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File: | StrictContent/Relations/equivalent/rec-equivalent1
CVS-ID: |
Author: | MathML 2 Recommendation
Description: | a is equivalent to not not a
passed (p) failed (f) not-tested (n) broken-test (b) some parts pass (s)
Sample Rendering:

Your browser's rendering:

equivalent a not not a

Source Code:

    <math xmlns="http://www.w3.org/1998/Math/MathML">
             <apply>
                <csymbol cd="logic1">equivalent</csymbol>
                <ci>a</ci>
                <apply>
                   <csymbol cd="logic1">not</csymbol>
                   <apply>
                      <csymbol cd="logic1">not</csymbol>
                      <ci>a</ci>
                   </apply>
                </apply>
             </apply>
          </math>