Metamath Proof Explorer


Theorem eluzelcn

Description: A member of an upper set of integers is a complex number. (Contributed by Glauco Siliprandi, 29-Jun-2017)

Ref Expression
Assertion eluzelcn ⊢ N ∈ ℤ ≥ M → N ∈ ℂ

Proof

Step Hyp Ref Expression
1 eluzelre ⊢ N ∈ ℤ ≥ M → N ∈ ℝ
2 1 recnd ⊢ N ∈ ℤ ≥ M → N ∈ ℂ