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| Description: Reals are a subset of the pair of real and complex numbers. (Contributed by David A. Wheeler, 8-Dec-2018.) | 
| Ref | Expression | 
|---|---|
| reelprrecn | ⊢ ℝ ∈ {ℝ, ℂ} | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | reex 11246 | . 2 ⊢ ℝ ∈ V | |
| 2 | 1 | prid1 4762 | 1 ⊢ ℝ ∈ {ℝ, ℂ} | 
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