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| Mirrors > Home > MPE Home > Th. List > ssrabdv | Structured version Visualization version GIF version | ||
| Description: Subclass of a restricted class abstraction (deduction form). (Contributed by NM, 31-Aug-2006.) |
| Ref | Expression |
|---|---|
| ssrabdv.1 | ⊢ (𝜑 → 𝐵 ⊆ 𝐴) |
| ssrabdv.2 | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝜓) |
| Ref | Expression |
|---|---|
| ssrabdv | ⊢ (𝜑 → 𝐵 ⊆ {𝑥 ∈ 𝐴 ∣ 𝜓}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssrabdv.1 | . 2 ⊢ (𝜑 → 𝐵 ⊆ 𝐴) | |
| 2 | ssrabdv.2 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝜓) | |
| 3 | 2 | ralrimiva 3154 | . 2 ⊢ (𝜑 → ∀𝑥 ∈ 𝐵 𝜓) |
| 4 | ssrab 3995 | . 2 ⊢ (𝐵 ⊆ {𝑥 ∈ 𝐴 ∣ 𝜓} ↔ (𝐵 ⊆ 𝐴 ∧ ∀𝑥 ∈ 𝐵 𝜓)) | |
| 5 | 1, 3, 4 | sylanbrc 595 | 1 ⊢ (𝜑 → 𝐵 ⊆ {𝑥 ∈ 𝐴 ∣ 𝜓}) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2144 ∀wral 3076 {crab 3412 ⊆ wss 3896 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-tru 1572 df-ex 1812 df-nf 1816 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ral 3077 df-rab 3413 df-ss 3897 |
| This theorem is used by: mndind 19031 symggen 19691 ablfac1eu 20296 lspsolvlem 21427 prdsxmslem2 24855 ovolicc2lem4 25848 abelth2 26776 perfectlem2 27564 umgrres1lem 29898 upgrres1 29901 nsgmgc 34011 nsgqusf1olem2 34013 nsgqusf1olem3 34014 cvmlift2lem11 36166 bj-rabtrAUTO 37939 mapdrvallem3 42810 idomsubgmo 44302 nadd2rabtr 44493 k0004ss2 45259 liminfvalxr 46900 smflimlem4 47891 perfectALTVlem2 48927 |
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