EVOLUTION-MANAGER

Edit File: mathmlSphere.xml

<?xml version="1.0"?> <!DOCTYPE set SYSTEM "mathml.dtd"> <set> <bvar> <ci>x</ci> </bvar> <bvar> <ci>y</ci> </bvar> <bvar> <ci>z</ci> </bvar> <condition> <reln> <eq/> <apply> <plus/> <apply> <power/> <ci>x</ci> <ci>2</ci> </apply> <apply> <power/> <ci>y</ci> <ci>2</ci> </apply> <apply> <power/> <ci>z</ci> <ci>2</ci> </apply> </apply> <cn>1</cn> </reln> </condition> </set>