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Description: Inference form of Theorem 19.21 of Margaris p. 90. See 19.21 and 19.21v . (Contributed by NM, 21-Jun-1993)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | alrimiv.1 | ⊢ ( 𝜑 → 𝜓 ) | |
| Assertion | alrimiv | ⊢ ( 𝜑 → ∀ 𝑥 𝜓 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | alrimiv.1 | ⊢ ( 𝜑 → 𝜓 ) | |
| 2 | ax-5 | ⊢ ( 𝜑 → ∀ 𝑥 𝜑 ) | |
| 3 | 2 1 | alrimih | ⊢ ( 𝜑 → ∀ 𝑥 𝜓 ) |