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| Mirrors > Home > MPE Home > Th. List > ovex | Structured version Visualization version GIF version | ||
| Description: The result of an operation is a set. (Contributed by NM, 13-Mar-1995.) |
| Ref | Expression |
|---|---|
| ovex | ⊢ (𝐴𝐹𝐵) ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ov 7434 | . 2 ⊢ (𝐴𝐹𝐵) = (𝐹‘〈𝐴, 𝐵〉) | |
| 2 | 1 | fvexi 6920 | 1 ⊢ (𝐴𝐹𝐵) ∈ V |
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