Assertion: icosahedron's edge | /r/CapableOf | lie in primary lines
Facets:
Source sentences:
text: Where a polyhedron has planes of mirror symmetry, edges falling in these planes are said to lie in primary lines.
text: If all edges lie in primary lines, the stellation is primary.
text: Where a polyhedron has planes of mirror symmetry, edges falling in these planes are said to lie in primary lines.
text: If all edges lie in primary lines, the stellation is primary.