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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 11810 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
3 | 2 | recnd 10385 | 1 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
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