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[Pranav <>]

Hi,

I am studying documentation of Nef polyhedrons. The definition of
/pyramid/(2nd definition in *Section 2*) states that a /cone/ K is /pyramid/
if K is a /polyhedron/.

But the way /cone/ *K* has been defined, it seems to be unbounded(closed
under all real multiples /lambda/ of all points /p/ in /K/). By definition,
polyhedrons are bounded by polygonal faces, so how can K be a polyhedron(and
hence a pyramid)?

Thanks in advance,
Pranav



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