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Mirrors > Home > MPE Home > Th. List > 1ex | Structured version Visualization version GIF version |
Description: One is a set. (Contributed by David A. Wheeler, 7-Jul-2016.) |
Ref | Expression |
---|---|
1ex | ⊢ 1 ∈ V |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-1cn 10860 | . 2 ⊢ 1 ∈ ℂ | |
2 | 1 | elexi 3441 | 1 ⊢ 1 ∈ V |
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