-- -*- M2-comint -*- hash: 9461255957001821531

i1 : P = convexHull matrix {{1,-1,0},{0,-1,0}}

o1 = P

o1 : Polyhedron

i2 : PC = polyhedralComplex P

o2 = PC

o2 : PolyhedralComplex

i3 : P1 = convexHull matrix {{1,0,0},{0,1,0}};

i4 : P2 = convexHull matrix {{0,-1,0},{1,-1,0}};

i5 : PC = polyhedralComplex {PC,P1,P2}

o5 = PC

o5 : PolyhedralComplex

i6 : 
