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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 1120 | . . 3 ⊢ (𝜑 → (𝑥 ∈ 𝐴 → (𝜓 → 𝑥 ∈ 𝐵))) |
| 3 | 2 | ralrimiv 3129 | . 2 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 (𝜓 → 𝑥 ∈ 𝐵)) |
| 4 | rabss 4024 | . 2 ⊢ ({𝑥 ∈ 𝐴 ∣ 𝜓} ⊆ 𝐵 ↔ ∀𝑥 ∈ 𝐴 (𝜓 → 𝑥 ∈ 𝐵)) | |
| 5 | 3, 4 | sylibr 234 | 1 ⊢ (𝜑 → {𝑥 ∈ 𝐴 ∣ 𝜓} ⊆ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1087 ∈ wcel 2114 ∀wral 3052 {crab 3401 ⊆ wss 3903 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-ex 1782 df-nf 1786 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ral 3053 df-rab 3402 df-ss 3920 |
| This theorem is referenced by: suppss2 8154 oemapvali 9607 cantnflem1 9612 harval2 9923 zsupss 12864 ramub1lem1 16968 symggen 19416 efgsfo 19685 ablfacrp 20014 ablfac1eu 20021 pgpfac1lem5 20027 ablfaclem3 20035 nrmr0reg 23710 ptcmplem3 24015 abelthlem2 26415 lgamgulmlem1 27012 ltonold 28274 onsfi 28369 rspectopn 34051 fineqvnttrclselem1 35305 neibastop2lem 36582 topmeet 36586 weiunse 36690 cntotbnd 38076 mapdrvallem2 42050 aks6d1c6lem3 42571 onintunirab 43613 nadd2rabex 43772 k0004ss1 44536 liminfvalxr 46170 |
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