Theorem pwidgOLD 4577

Description: Obsolete version of pwidg 4576 as of 10-Jun-2026. (Contributed by Stefan O'Rear, 1-Feb-2015.) (Proof modification is discouraged.) (New usage is discouraged.)

Assertion

Ref	Expression
pwidgOLD	⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ 𝒫 𝐴)

Proof of Theorem pwidgOLD

Step	Hyp	Ref	Expression
1		ssid 3930	. 2 ⊢ 𝐴 ⊆ 𝐴
2		elpwg 4559	. 2 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ 𝒫 𝐴 ↔ 𝐴 ⊆ 𝐴))
3	1, 2	mpbiri 261	1 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ 𝒫 𝐴)

This proof depends on syntax axioms:   → wi 4   ∈ wcel 2144   ⊆ 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: (None)