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Mirrors > Home > MPE Home > Th. List > rgenw | Structured version Visualization version GIF version |
Description: Generalization rule for restricted quantification. (Contributed by NM, 18-Jun-2014.) |
Ref | Expression |
---|---|
rgenw.1 | ⊢ 𝜑 |
Ref | Expression |
---|---|
rgenw | ⊢ ∀𝑥 ∈ 𝐴 𝜑 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rgenw.1 | . . 3 ⊢ 𝜑 | |
2 | 1 | a1i 11 | . 2 ⊢ (𝑥 ∈ 𝐴 → 𝜑) |
3 | 2 | rgen 3073 | 1 ⊢ ∀𝑥 ∈ 𝐴 𝜑 |
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