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| Mirrors > Home > MPE Home > Th. List > elv | Structured version Visualization version GIF version | ||
| Description: If a proposition is implied by 𝑥 ∈ V (which is true, see vex 3483), then it is true. (Contributed by Peter Mazsa, 13-Oct-2018.) |
| Ref | Expression |
|---|---|
| elv.1 | ⊢ (𝑥 ∈ V → 𝜑) |
| Ref | Expression |
|---|---|
| elv | ⊢ 𝜑 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vex 3483 | . 2 ⊢ 𝑥 ∈ V | |
| 2 | elv.1 | . 2 ⊢ (𝑥 ∈ V → 𝜑) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ 𝜑 |
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