Metamath Proof Explorer


Theorem ezsscn

Description: The Eisenstein integers are a subset of the complex numbers. (Contributed by AV, 26-Oct-2026)

Ref Expression
Assertion ezsscn ( Z[]l ‘ ( bRoU ‘ 3 ) ) ⊆ ℂ

Proof

Step Hyp Ref Expression
1 ezsubrg ⊢ ( Z[]l ‘ ( bRoU ‘ 3 ) ) ∈ ( SubRing ‘ ℂfld )
2 subrgccsscc ⊢ ( ( Z[]l ‘ ( bRoU ‘ 3 ) ) ∈ ( SubRing ‘ ℂfld ) → ( Z[]l ‘ ( bRoU ‘ 3 ) ) ⊆ ℂ )
3 1 2 ax-mp ⊢ ( Z[]l ‘ ( bRoU ‘ 3 ) ) ⊆ ℂ