Assertion: polyhedron's element | /r/HasProperty | earth
Facets:
Source sentences:
text: Around the same time as the Pythagoreans, Plato described a theory of matter in which the five elements (earth, air, fire, water and spirit) each comprised tiny copies of one of the five regular solids.
text: Plato wrote about them in the dialogue Timaeus c. 360 B.C. in which he associated each of the four classical elements (earth, air, water, and fire) with a regular solid.
text: The idea tthat all things are composed of four primal elements: earth, air, fire, and water, is attributed to Empedocles (circa 493-433 BCE), Greek philosopher, statesman, and poet.