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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 3403 | . . 3 ⊢ (𝑥 = 𝐴 → (𝑥 ∩ 𝐵) = (𝐴 ∩ 𝐵)) | |
| 2 | 1 | eleq1d 2300 | . 2 ⊢ (𝑥 = 𝐴 → ((𝑥 ∩ 𝐵) ∈ V ↔ (𝐴 ∩ 𝐵) ∈ V)) |
| 3 | vex 2806 | . . 3 ⊢ 𝑥 ∈ V | |
| 4 | 3 | inex1 4228 | . 2 ⊢ (𝑥 ∩ 𝐵) ∈ V |
| 5 | 2, 4 | vtoclg 2865 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∩ 𝐵) ∈ V) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 ∈ wcel 2202 Vcvv 2803 ∩ cin 3200 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2213 ax-sep 4212 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-v 2805 df-in 3207 |
| This theorem is referenced by: onin 4489 dmresexg 5042 funimaexg 5421 offval 6252 offval3 6305 ssenen 7080 ressvalsets 13227 ressex 13228 ressbasd 13230 resseqnbasd 13236 ressinbasd 13237 ressressg 13238 qusin 13489 mgpress 14025 isunitd 14201 isrhm 14253 rhmfn 14267 rhmval 14268 2idlval 14598 2idlvalg 14599 eltg 14863 eltg3 14868 ntrval 14921 restco 14985 wlk1walkdom 16300 |
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