| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 3242 | . . 3 ⊢ (𝐴 ⊆ 𝐵 → (𝑥 ∈ 𝐴 → 𝑥 ∈ 𝐵)) | |
| 2 | 1 | imim1d 75 | . 2 ⊢ (𝐴 ⊆ 𝐵 → ((𝑥 ∈ 𝐵 → 𝜑) → (𝑥 ∈ 𝐴 → 𝜑))) |
| 3 | 2 | ralimdv2 2620 | 1 ⊢ (𝐴 ⊆ 𝐵 → (∀𝑥 ∈ 𝐵 𝜑 → ∀𝑥 ∈ 𝐴 𝜑)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2209 ∀wral 2528 ⊆ wss 3220 |
| 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 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-11 1559 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-ral 2533 df-in 3226 df-ss 3233 |
| This theorem is referenced by: iinss1 4019 poss 4438 sess2 4478 trssord 4520 funco 5412 funimaexglem 5459 isores3 6011 isoini2 6015 smores 6553 smores2 6555 tfrlem5 6575 resixp 7005 ac6sfi 7192 difinfinf 7431 peano5nnnn 8249 peano5nni 9286 caucvgre 11725 rexanuz 11732 cau3lem 11858 isumclim3 12168 fsumiun 12222 pcfac 13107 ctinf 13299 strsetsid 13363 imasaddfnlemg 13612 tgcn 15232 tgcnp 15233 cnss2 15251 cncnp 15254 sslm 15271 metrest 15530 rescncf 15605 suplociccex 15649 limcresi 15690 uspgr2wlkeq 16520 nninfsellemeq 16962 |
| Copyright terms: Public domain | W3C validator |