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2mulicn
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2muline0
Metamath Proof Explorer
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Unicode
Theorem
2mulicn
Description:
( 2 x. _i ) e. CC
.
(Contributed by
David A. Wheeler
, 8-Dec-2018)
Ref
Expression
Assertion
2mulicn
⊢
2
⁢
i
∈
ℂ
Proof
Step
Hyp
Ref
Expression
1
2cn
⊢
2
∈
ℂ
2
ax-icn
⊢
i
∈
ℂ
3
1
2
mulcli
⊢
2
⁢
i
∈
ℂ