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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 3221 | . . 3 ⊢ (𝐴 ⊆ 𝐵 → (𝑥 ∈ 𝐴 → 𝑥 ∈ 𝐵)) | |
| 2 | 1 | imim1d 75 | . 2 ⊢ (𝐴 ⊆ 𝐵 → ((𝑥 ∈ 𝐵 → 𝜑) → (𝑥 ∈ 𝐴 → 𝜑))) |
| 3 | 2 | ralimdv2 2602 | 1 ⊢ (𝐴 ⊆ 𝐵 → (∀𝑥 ∈ 𝐵 𝜑 → ∀𝑥 ∈ 𝐴 𝜑)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2202 ∀wral 2510 ⊆ wss 3200 |
| 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 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-11 1554 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-ral 2515 df-in 3206 df-ss 3213 |
| This theorem is referenced by: iinss1 3982 poss 4395 sess2 4435 trssord 4477 funco 5366 funimaexglem 5413 isores3 5956 isoini2 5960 smores 6458 smores2 6460 tfrlem5 6480 resixp 6902 ac6sfi 7087 difinfinf 7300 peano5nnnn 8112 peano5nni 9146 caucvgre 11546 rexanuz 11553 cau3lem 11679 isumclim3 11989 fsumiun 12043 pcfac 12928 ctinf 13056 strsetsid 13120 imasaddfnlemg 13402 tgcn 14938 tgcnp 14939 cnss2 14957 cncnp 14960 sslm 14977 metrest 15236 rescncf 15311 suplociccex 15355 limcresi 15396 uspgr2wlkeq 16222 nninfsellemeq 16642 |
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