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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 3236 | . . 3 ⊢ (𝐴 ⊆ 𝐵 → (𝑥 ∈ 𝐴 → 𝑥 ∈ 𝐵)) | |
| 2 | 1 | imim1d 75 | . 2 ⊢ (𝐴 ⊆ 𝐵 → ((𝑥 ∈ 𝐵 → 𝜑) → (𝑥 ∈ 𝐴 → 𝜑))) |
| 3 | 2 | ralimdv2 2614 | 1 ⊢ (𝐴 ⊆ 𝐵 → (∀𝑥 ∈ 𝐵 𝜑 → ∀𝑥 ∈ 𝐴 𝜑)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2205 ∀wral 2522 ⊆ wss 3214 |
| 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 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-11 1555 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-ral 2527 df-in 3220 df-ss 3227 |
| This theorem is referenced by: iinss1 4008 poss 4424 sess2 4464 trssord 4506 funco 5397 funimaexglem 5444 isores3 5994 isoini2 5998 smores 6536 smores2 6538 tfrlem5 6558 resixp 6981 ac6sfi 7168 difinfinf 7405 peano5nnnn 8223 peano5nni 9257 caucvgre 11691 rexanuz 11698 cau3lem 11824 isumclim3 12134 fsumiun 12188 pcfac 13073 ctinf 13265 strsetsid 13329 imasaddfnlemg 13578 tgcn 15199 tgcnp 15200 cnss2 15218 cncnp 15221 sslm 15238 metrest 15497 rescncf 15572 suplociccex 15616 limcresi 15657 uspgr2wlkeq 16486 nninfsellemeq 16918 |
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