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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 5955 isoini2 5959 smores 6457 smores2 6459 tfrlem5 6479 resixp 6901 ac6sfi 7086 difinfinf 7299 peano5nnnn 8111 peano5nni 9145 caucvgre 11541 rexanuz 11548 cau3lem 11674 isumclim3 11983 fsumiun 12037 pcfac 12922 ctinf 13050 strsetsid 13114 imasaddfnlemg 13396 tgcn 14931 tgcnp 14932 cnss2 14950 cncnp 14953 sslm 14970 metrest 15229 rescncf 15304 suplociccex 15348 limcresi 15389 uspgr2wlkeq 16215 nninfsellemeq 16616 |
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