Database
REAL AND COMPLEX NUMBERS
Derive the basic properties from the field axioms
Some deductions from the field axioms for complex numbers
c0ex
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1cnd
Metamath Proof Explorer
Ascii
Structured
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