en Zero
― DefinedAs ⟶
Weight: 1.0
en empty set Source: Open Mind Common Sense contributors jasongross
en 0
― DefinedAs ⟶
Weight: 1.0
en empty set Source: Open Mind Common Sense contributors jasongross
en The empty set
― DefinedAs ⟶
Weight: 1.0
en initial object in the category of sets Source: Open Mind Common Sense contributors jasongross