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| Mirrors > Home > ILE Home > Th. List > ssralv | GIF version | ||
| Description: Quantification restricted to a subclass. (Contributed by NM, 11-Mar-2006.) |
| Ref | Expression |
|---|---|
| ssralv | ⊢ (𝐴 ⊆ 𝐵 → (∀𝑥 ∈ 𝐵 𝜑 → ∀𝑥 ∈ 𝐴 𝜑)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssel 3219 | . . 3 ⊢ (𝐴 ⊆ 𝐵 → (𝑥 ∈ 𝐴 → 𝑥 ∈ 𝐵)) | |
| 2 | 1 | imim1d 75 | . 2 ⊢ (𝐴 ⊆ 𝐵 → ((𝑥 ∈ 𝐵 → 𝜑) → (𝑥 ∈ 𝐴 → 𝜑))) |
| 3 | 2 | ralimdv2 2600 | 1 ⊢ (𝐴 ⊆ 𝐵 → (∀𝑥 ∈ 𝐵 𝜑 → ∀𝑥 ∈ 𝐴 𝜑)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2200 ∀wral 2508 ⊆ wss 3198 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-11 1552 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-ral 2513 df-in 3204 df-ss 3211 |
| This theorem is referenced by: iinss1 3980 poss 4393 sess2 4433 trssord 4475 funco 5364 funimaexglem 5410 isores3 5951 isoini2 5955 smores 6453 smores2 6455 tfrlem5 6475 resixp 6897 ac6sfi 7080 difinfinf 7291 peano5nnnn 8102 peano5nni 9136 caucvgre 11532 rexanuz 11539 cau3lem 11665 isumclim3 11974 fsumiun 12028 pcfac 12913 ctinf 13041 strsetsid 13105 imasaddfnlemg 13387 tgcn 14922 tgcnp 14923 cnss2 14941 cncnp 14944 sslm 14961 metrest 15220 rescncf 15295 suplociccex 15339 limcresi 15380 uspgr2wlkeq 16162 nninfsellemeq 16552 |
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