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| Mirrors > Home > MPE Home > Th. List > 2ex | Structured version Visualization version GIF version | ||
| Description: The number 2 is a set. (Contributed by David A. Wheeler, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| 2ex | ⊢ 2 ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2cn 12341 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | 1 | elexi 3503 | 1 ⊢ 2 ∈ V |
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