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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 3426), 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 3426 | . 2 ⊢ 𝑥 ∈ V | |
2 | elv.1 | . 2 ⊢ (𝑥 ∈ V → 𝜑) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ 𝜑 |
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