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| Mirrors > Home > MPE Home > Th. List > zcnd | Structured version Visualization version GIF version | ||
| Description: An integer is a complex number. (Contributed by Mario Carneiro, 28-May-2016.) |
| Ref | Expression |
|---|---|
| zred.1 | ⊢ (𝜑 → 𝐴 ∈ ℤ) |
| Ref | Expression |
|---|---|
| zcnd | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zred.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℤ) | |
| 2 | 1 | zred 12722 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 2 | recnd 11289 | 1 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
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