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| Mirrors > Home > ILE Home > Th. List > inex1g | GIF version | ||
| Description: Closed-form, generalized Separation Scheme. (Contributed by NM, 7-Apr-1995.) |
| Ref | Expression |
|---|---|
| inex1g | ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∩ 𝐵) ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ineq1 3366 | . . 3 ⊢ (𝑥 = 𝐴 → (𝑥 ∩ 𝐵) = (𝐴 ∩ 𝐵)) | |
| 2 | 1 | eleq1d 2273 | . 2 ⊢ (𝑥 = 𝐴 → ((𝑥 ∩ 𝐵) ∈ V ↔ (𝐴 ∩ 𝐵) ∈ V)) |
| 3 | vex 2774 | . . 3 ⊢ 𝑥 ∈ V | |
| 4 | 3 | inex1 4177 | . 2 ⊢ (𝑥 ∩ 𝐵) ∈ V |
| 5 | 2, 4 | vtoclg 2832 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∩ 𝐵) ∈ V) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1372 ∈ wcel 2175 Vcvv 2771 ∩ cin 3164 |
| 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-io 710 ax-5 1469 ax-7 1470 ax-gen 1471 ax-ie1 1515 ax-ie2 1516 ax-8 1526 ax-10 1527 ax-11 1528 ax-i12 1529 ax-bndl 1531 ax-4 1532 ax-17 1548 ax-i9 1552 ax-ial 1556 ax-i5r 1557 ax-ext 2186 ax-sep 4161 |
| This theorem depends on definitions: df-bi 117 df-tru 1375 df-nf 1483 df-sb 1785 df-clab 2191 df-cleq 2197 df-clel 2200 df-nfc 2336 df-v 2773 df-in 3171 |
| This theorem is referenced by: onin 4432 dmresexg 4981 funimaexg 5357 offval 6165 offval3 6218 ssenen 6947 ressvalsets 12867 ressex 12868 ressbasd 12870 resseqnbasd 12876 ressinbasd 12877 ressressg 12878 qusin 13129 mgpress 13664 isunitd 13839 isrhm 13891 rhmfn 13905 rhmval 13906 2idlval 14235 2idlvalg 14236 eltg 14495 eltg3 14500 ntrval 14553 restco 14617 |
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