Intensive Definition/Examples/Regular Convex Polyhedron

Example of Intensive Definition

An intensive definition for the set of regular convex polyhedra is:

$\leftset {}$ convex polyhedra whose faces are all regular polyhedra and whose polyhedral angles are all congruent $\rightset{}$

Sources

• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): intensive definition