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| Mirrors > Home > MPE Home > Th. List > Mathboxes > elpwgded | Structured version Visualization version GIF version | ||
| Description: elpwgdedVD 44948 in conventional notation. (Contributed by Alan Sare, 23-Apr-2015.) (Proof modification is discouraged.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| elpwgded.1 | ⊢ (𝜑 → 𝐴 ∈ V) |
| elpwgded.2 | ⊢ (𝜓 → 𝐴 ⊆ 𝐵) |
| Ref | Expression |
|---|---|
| elpwgded | ⊢ ((𝜑 ∧ 𝜓) → 𝐴 ∈ 𝒫 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elpwgded.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ V) | |
| 2 | elpwgded.2 | . 2 ⊢ (𝜓 → 𝐴 ⊆ 𝐵) | |
| 3 | elpwg 4553 | . . 3 ⊢ (𝐴 ∈ V → (𝐴 ∈ 𝒫 𝐵 ↔ 𝐴 ⊆ 𝐵)) | |
| 4 | 3 | biimpar 477 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐴 ⊆ 𝐵) → 𝐴 ∈ 𝒫 𝐵) |
| 5 | 1, 2, 4 | syl2an 596 | 1 ⊢ ((𝜑 ∧ 𝜓) → 𝐴 ∈ 𝒫 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2111 Vcvv 3436 ⊆ wss 3902 𝒫 cpw 4550 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-ext 2703 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1544 df-ex 1781 df-sb 2068 df-clab 2710 df-cleq 2723 df-clel 2806 df-ss 3919 df-pw 4552 |
| This theorem is referenced by: sspwimp 44949 sspwimpALT 44956 |
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