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| Mirrors > Home > MPE Home > Th. List > Mathboxes > elpwgded | Structured version Visualization version GIF version | ||
| Description: elpwgdedVD 45993 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 4559 | . . 3 ⊢ (𝐴 ∈ V → (𝐴 ∈ 𝒫 𝐵 ↔ 𝐴 ⊆ 𝐵)) | |
| 4 | 3 | biimpar 483 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐴 ⊆ 𝐵) → 𝐴 ∈ 𝒫 𝐵) |
| 5 | 1, 2, 4 | syl2an 608 | 1 ⊢ ((𝜑 ∧ 𝜓) → 𝐴 ∈ 𝒫 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2144 Vcvv 3450 ⊆ wss 3895 𝒫 cpw 4556 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1572 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-ss 3896 df-pw 4558 |
| This theorem is used by: sspwimp 45994 sspwimpALT 46001 |
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