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Mirrors > Home > ILE Home > Th. List > ralrimdva | GIF version |
Description: Inference from Theorem 19.21 of [Margaris] p. 90. (Restricted quantifier version.) (Contributed by NM, 2-Feb-2008.) |
Ref | Expression |
---|---|
ralrimdva.1 | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (𝜓 → 𝜒)) |
Ref | Expression |
---|---|
ralrimdva | ⊢ (𝜑 → (𝜓 → ∀𝑥 ∈ 𝐴 𝜒)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ralrimdva.1 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (𝜓 → 𝜒)) | |
2 | 1 | ex 114 | . . 3 ⊢ (𝜑 → (𝑥 ∈ 𝐴 → (𝜓 → 𝜒))) |
3 | 2 | com23 78 | . 2 ⊢ (𝜑 → (𝜓 → (𝑥 ∈ 𝐴 → 𝜒))) |
4 | 3 | ralrimdv 2453 | 1 ⊢ (𝜑 → (𝜓 → ∀𝑥 ∈ 𝐴 𝜒)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ∈ wcel 1439 ∀wral 2360 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1382 ax-gen 1384 ax-4 1446 ax-17 1465 |
This theorem depends on definitions: df-bi 116 df-nf 1396 df-ral 2365 |
This theorem is referenced by: ralxfrd 4297 isoselem 5613 isosolem 5617 findcard 6658 nnsub 8522 supinfneg 9144 infsupneg 9145 ublbneg 9159 expnlbnd2 10140 cau3lem 10608 climshftlemg 10751 subcn2 10761 serf0 10802 sqrt2irr 11480 |
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