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Mirrors > Home > MPE Home > Th. List > 2cn | Structured version Visualization version GIF version |
Description: The number 2 is a complex number. (Contributed by NM, 30-Jul-2004.) |
Ref | Expression |
---|---|
2cn | ⊢ 2 ∈ ℂ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2re 11090 | . 2 ⊢ 2 ∈ ℝ | |
2 | 1 | recni 10052 | 1 ⊢ 2 ∈ ℂ |
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