Theorem wuncnv 10647

Description: A weak universe is closed under the converse operator. (Contributed by Mario Carneiro, 2-Jan-2017.)

Hypotheses

Ref	Expression
wun0.1	⊢ (𝜑 → 𝑈 ∈ WUni)
wunop.2	⊢ (𝜑 → 𝐴 ∈ 𝑈)

Assertion

Ref	Expression
wuncnv	⊢ (𝜑 → ◡𝐴 ∈ 𝑈)

Proof of Theorem wuncnv

Step	Hyp	Ref	Expression
1		wun0.1	. 2 ⊢ (𝜑 → 𝑈 ∈ WUni)
2		wunop.2	. . . 4 ⊢ (𝜑 → 𝐴 ∈ 𝑈)
3	1, 2	wunrn 10646	. . 3 ⊢ (𝜑 → ran 𝐴 ∈ 𝑈)
4	1, 2	wundm 10645	. . 3 ⊢ (𝜑 → dom 𝐴 ∈ 𝑈)
5	1, 3, 4	wunxp 10641	. 2 ⊢ (𝜑 → (ran 𝐴 × dom 𝐴) ∈ 𝑈)
6		cnvssrndm 6230	. . 3 ⊢ ◡𝐴 ⊆ (ran 𝐴 × dom 𝐴)
7	6	a1i 11	. 2 ⊢ (𝜑 → ◡𝐴 ⊆ (ran 𝐴 × dom 𝐴))
8	1, 5, 7	wunss 10629	1 ⊢ (𝜑 → ◡𝐴 ∈ 𝑈)

Syntax hints:   → wi 4   ∈ wcel 2114   ⊆ wss 3890   × cxp 5623  ^◡ccnv 5624  dom cdm 5625  ran crn 5626  WUnicwun 10617

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-ext 2709  ax-sep 5232  ax-pr 5371

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-sb 2069  df-clab 2716  df-cleq 2729  df-clel 2812  df-ne 2934  df-ral 3053  df-rex 3063  df-rab 3391  df-v 3432  df-dif 3893  df-un 3895  df-in 3897  df-ss 3907  df-nul 4275  df-if 4468  df-pw 4544  df-sn 4569  df-pr 4571  df-op 4575  df-uni 4852  df-br 5087  df-opab 5149  df-tr 5194  df-xp 5631  df-rel 5632  df-cnv 5633  df-dm 5635  df-rn 5636  df-wun 10619

This theorem is referenced by:  wuntpos  10651  catcoppccl  18078