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| Mirrors > Home > MPE Home > Th. List > fvexi | Structured version Visualization version GIF version | ||
| Description: The value of a class exists. Inference form of fvex 6919. (Contributed by Glauco Siliprandi, 23-Oct-2021.) |
| Ref | Expression |
|---|---|
| fvexi.1 | ⊢ 𝐴 = (𝐹‘𝐵) |
| Ref | Expression |
|---|---|
| fvexi | ⊢ 𝐴 ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvexi.1 | . 2 ⊢ 𝐴 = (𝐹‘𝐵) | |
| 2 | fvex 6919 | . 2 ⊢ (𝐹‘𝐵) ∈ V | |
| 3 | 1, 2 | eqeltri 2837 | 1 ⊢ 𝐴 ∈ V |
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