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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 3357 | . . 3 ⊢ (𝑥 = 𝐴 → (𝑥 ∩ 𝐵) = (𝐴 ∩ 𝐵)) | |
| 2 | 1 | eleq1d 2265 | . 2 ⊢ (𝑥 = 𝐴 → ((𝑥 ∩ 𝐵) ∈ V ↔ (𝐴 ∩ 𝐵) ∈ V)) |
| 3 | vex 2766 | . . 3 ⊢ 𝑥 ∈ V | |
| 4 | 3 | inex1 4167 | . 2 ⊢ (𝑥 ∩ 𝐵) ∈ V |
| 5 | 2, 4 | vtoclg 2824 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∩ 𝐵) ∈ V) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1364 ∈ wcel 2167 Vcvv 2763 ∩ cin 3156 |
| 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 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-ext 2178 ax-sep 4151 |
| This theorem depends on definitions: df-bi 117 df-tru 1367 df-nf 1475 df-sb 1777 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-v 2765 df-in 3163 |
| This theorem is referenced by: onin 4421 dmresexg 4969 funimaexg 5342 offval 6143 offval3 6191 ssenen 6912 ressvalsets 12742 ressex 12743 ressbasd 12745 resseqnbasd 12751 ressinbasd 12752 ressressg 12753 qusin 12969 mgpress 13487 isunitd 13662 isrhm 13714 rhmfn 13728 rhmval 13729 2idlval 14058 2idlvalg 14059 eltg 14288 eltg3 14293 ntrval 14346 restco 14410 |
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