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Theorem elpwgded 45641
Description: elpwgdedVD 45993 in conventional notation. (Contributed by Alan Sare, 23-Apr-2015.) (Proof modification is discouraged.) (New usage is discouraged.)
Hypotheses
Ref Expression
elpwgded.1 (𝜑 → 𝐴 ∈ V)
elpwgded.2 (𝜓 → 𝐴 ⊆ 𝐵)
Assertion
Ref Expression
elpwgded ((𝜑 ∧ 𝜓) → 𝐴 ∈ 𝒫 𝐵)

Proof of Theorem elpwgded
StepHypRef 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))
43biimpar 483 . 2 ((𝐴 ∈ V ∧ 𝐴 ⊆ 𝐵) → 𝐴 ∈ 𝒫 𝐵)
51, 2, 4syl2an 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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