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| Mirrors > Home > NFE Home > Th. List > alim | GIF version | ||
| Description: Theorem 19.20 of [Margaris] p. 90. (Contributed by NM, 5-Aug-1993.) (Proof shortened by O'Cat, 30-Mar-2008.) |
| Ref | Expression |
|---|---|
| alim | ⊢ (∀x(φ → ψ) → (∀xφ → ∀xψ)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-5 1557 | 1 ⊢ (∀x(φ → ψ) → (∀xφ → ∀xψ)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∀wal 1540 |
| This theorem was proved from axioms: ax-5 1557 |
| This theorem is referenced by: al2imi 1561 stdpc5OLD 1799 19.21hOLD 1840 19.21tOLD 1863 sbal1 2126 |
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