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Mirrors > Home > MPE Home > Th. List > rabssdv | Structured version Visualization version GIF version |
Description: Subclass of a restricted class abstraction (deduction form). (Contributed by NM, 2-Feb-2015.) |
Ref | Expression |
---|---|
rabssdv.1 | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴 ∧ 𝜓) → 𝑥 ∈ 𝐵) |
Ref | Expression |
---|---|
rabssdv | ⊢ (𝜑 → {𝑥 ∈ 𝐴 ∣ 𝜓} ⊆ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rabssdv.1 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴 ∧ 𝜓) → 𝑥 ∈ 𝐵) | |
2 | 1 | 3exp 1117 | . . 3 ⊢ (𝜑 → (𝑥 ∈ 𝐴 → (𝜓 → 𝑥 ∈ 𝐵))) |
3 | 2 | ralrimiv 3106 | . 2 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 (𝜓 → 𝑥 ∈ 𝐵)) |
4 | rabss 4001 | . 2 ⊢ ({𝑥 ∈ 𝐴 ∣ 𝜓} ⊆ 𝐵 ↔ ∀𝑥 ∈ 𝐴 (𝜓 → 𝑥 ∈ 𝐵)) | |
5 | 3, 4 | sylibr 233 | 1 ⊢ (𝜑 → {𝑥 ∈ 𝐴 ∣ 𝜓} ⊆ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1085 ∈ wcel 2108 ∀wral 3063 {crab 3067 ⊆ wss 3883 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3an 1087 df-tru 1542 df-ex 1784 df-nf 1788 df-sb 2069 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ral 3068 df-rab 3072 df-v 3424 df-in 3890 df-ss 3900 |
This theorem is referenced by: suppss2 7987 oemapvali 9372 cantnflem1 9377 harval2 9686 zsupss 12606 ramub1lem1 16655 symggen 18993 efgsfo 19260 ablfacrp 19584 ablfac1eu 19591 pgpfac1lem5 19597 ablfaclem3 19605 nrmr0reg 22808 ptcmplem3 23113 abelthlem2 25496 lgamgulmlem1 26083 rspectopn 31719 neibastop2lem 34476 topmeet 34480 cntotbnd 35881 mapdrvallem2 39586 k0004ss1 41650 liminfvalxr 43214 |
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