Assertion: convex polyhedron | /r/HasAspect | at least one net
Facets:
Source sentences:
text: In 1975, G. C. Shephard asked whether every convex polyhedron has at least one net, or simple edge-unfolding.
text: In 1975, G. C. Shephard asked whether every convex polyhedron has at least one net, or simple edge-unfolding.