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Theorem wuntpos 10803
Description: A weak universe is closed under transposition. (Contributed by Mario Carneiro, 12-Jan-2017.)
Hypotheses
Ref Expression
wun0.1 (𝜑𝑈 ∈ WUni)
wunop.2 (𝜑𝐴𝑈)
Assertion
Ref Expression
wuntpos (𝜑 → tpos 𝐴𝑈)

Proof of Theorem wuntpos
StepHypRef Expression
1 wun0.1 . 2 (𝜑𝑈 ∈ WUni)
2 wunop.2 . . . . . 6 (𝜑𝐴𝑈)
31, 2wundm 10797 . . . . 5 (𝜑 → dom 𝐴𝑈)
41, 3wuncnv 10799 . . . 4 (𝜑dom 𝐴𝑈)
51wun0 10787 . . . . 5 (𝜑 → ∅ ∈ 𝑈)
61, 5wunsn 10785 . . . 4 (𝜑 → {∅} ∈ 𝑈)
71, 4, 6wunun 10779 . . 3 (𝜑 → (dom 𝐴 ∪ {∅}) ∈ 𝑈)
81, 2wunrn 10798 . . 3 (𝜑 → ran 𝐴𝑈)
91, 7, 8wunxp 10793 . 2 (𝜑 → ((dom 𝐴 ∪ {∅}) × ran 𝐴) ∈ 𝑈)
10 tposssxp 8271 . . 3 tpos 𝐴 ⊆ ((dom 𝐴 ∪ {∅}) × ran 𝐴)
1110a1i 11 . 2 (𝜑 → tpos 𝐴 ⊆ ((dom 𝐴 ∪ {∅}) × ran 𝐴))
121, 9, 11wunss 10781 1 (𝜑 → tpos 𝐴𝑈)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2108  cun 3974  wss 3976  c0 4352  {csn 4648   × cxp 5698  ccnv 5699  dom cdm 5700  ran crn 5701  tpos ctpos 8266  WUnicwun 10769
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1793  ax-4 1807  ax-5 1909  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-10 2141  ax-11 2158  ax-12 2178  ax-ext 2711  ax-sep 5317  ax-nul 5324  ax-pr 5447
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 847  df-3an 1089  df-tru 1540  df-fal 1550  df-ex 1778  df-nf 1782  df-sb 2065  df-mo 2543  df-eu 2572  df-clab 2718  df-cleq 2732  df-clel 2819  df-nfc 2895  df-ne 2947  df-ral 3068  df-rex 3077  df-rab 3444  df-v 3490  df-dif 3979  df-un 3981  df-in 3983  df-ss 3993  df-nul 4353  df-if 4549  df-pw 4624  df-sn 4649  df-pr 4651  df-op 4655  df-uni 4932  df-br 5167  df-opab 5229  df-mpt 5250  df-tr 5284  df-xp 5706  df-rel 5707  df-cnv 5708  df-co 5709  df-dm 5710  df-rn 5711  df-res 5712  df-ima 5713  df-tpos 8267  df-wun 10771
This theorem is referenced by:  catcoppccl  18184  catcoppcclOLD  18185
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