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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 3218 | . . 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 3197 |
| 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 3203 df-ss 3210 |
| This theorem is referenced by: iinss1 3977 poss 4389 sess2 4429 trssord 4471 funco 5358 funimaexglem 5404 isores3 5945 isoini2 5949 smores 6444 smores2 6446 tfrlem5 6466 resixp 6888 ac6sfi 7068 difinfinf 7279 peano5nnnn 8090 peano5nni 9124 caucvgre 11507 rexanuz 11514 cau3lem 11640 isumclim3 11949 fsumiun 12003 pcfac 12888 ctinf 13016 strsetsid 13080 imasaddfnlemg 13362 tgcn 14897 tgcnp 14898 cnss2 14916 cncnp 14919 sslm 14936 metrest 15195 rescncf 15270 suplociccex 15314 limcresi 15355 uspgr2wlkeq 16106 nninfsellemeq 16440 |
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