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| Description: The floor (greatest integer) function is real. (Contributed by NM, 15-Jul-2008.) | 
| Ref | Expression | 
|---|---|
| reflcl | ⊢ (𝐴 ∈ ℝ → (⌊‘𝐴) ∈ ℝ) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | flcl 13836 | . 2 ⊢ (𝐴 ∈ ℝ → (⌊‘𝐴) ∈ ℤ) | |
| 2 | 1 | zred 12724 | 1 ⊢ (𝐴 ∈ ℝ → (⌊‘𝐴) ∈ ℝ) | 
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