Metamath Proof Explorer


Theorem c0ex

Description: Zero is a set. (Contributed by David A. Wheeler, 7-Jul-2016)

Ref Expression
Assertion c0ex ⊢ 0 ∈ V

Proof

Step Hyp Ref Expression
1 0cn ⊢ 0 ∈ ℂ
2 1 elexi ⊢ 0 ∈ V