Notes for AKT-090910-1/0:16:25: Difference between revisions

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(video annotation)
 
m (making the statement more precise)
 
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Proving: the trefoil knot is tricolourable whereas the unknot is not.
Proving: the (particular planar projection of the) trefoil knot is tricolourable whereas (the planar diagram of) the unknot is not.

Latest revision as of 15:50, 22 September 2009

Proving: the (particular planar projection of the) trefoil knot is tricolourable whereas (the planar diagram of) the unknot is not.