Emptyset axiom
The Emptyset Axiom is a possible axiom in Material set theory: zf
which is to say, there exists a set with no elements,
which by the Axiom of Extensionality is unique and may be called
The Emptyset Axiom is a possible axiom in Material set theory: zf
which is to say, there exists a set with no elements,
which by the Axiom of Extensionality is unique and may be called