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| Mirrors > Home > MPE Home > Th. List > wuntpos | Structured version Visualization version GIF version | ||
| Description: A weak universe is closed under transposition. (Contributed by Mario Carneiro, 12-Jan-2017.) |
| Ref | Expression |
|---|---|
| wun0.1 | ⊢ (𝜑 → 𝑈 ∈ WUni) |
| wunop.2 | ⊢ (𝜑 → 𝐴 ∈ 𝑈) |
| Ref | Expression |
|---|---|
| wuntpos | ⊢ (𝜑 → tpos 𝐴 ∈ 𝑈) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | wun0.1 | . 2 ⊢ (𝜑 → 𝑈 ∈ WUni) | |
| 2 | wunop.2 | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ 𝑈) | |
| 3 | 1, 2 | wundm 10709 | . . . . 5 ⊢ (𝜑 → dom 𝐴 ∈ 𝑈) |
| 4 | 1, 3 | wuncnv 10711 | . . . 4 ⊢ (𝜑 → ◡dom 𝐴 ∈ 𝑈) |
| 5 | 1 | wun0 10699 | . . . . 5 ⊢ (𝜑 → ∅ ∈ 𝑈) |
| 6 | 1, 5 | wunsn 10697 | . . . 4 ⊢ (𝜑 → {∅} ∈ 𝑈) |
| 7 | 1, 4, 6 | wunun 10691 | . . 3 ⊢ (𝜑 → (◡dom 𝐴 ∪ {∅}) ∈ 𝑈) |
| 8 | 1, 2 | wunrn 10710 | . . 3 ⊢ (𝜑 → ran 𝐴 ∈ 𝑈) |
| 9 | 1, 7, 8 | wunxp 10705 | . 2 ⊢ (𝜑 → ((◡dom 𝐴 ∪ {∅}) × ran 𝐴) ∈ 𝑈) |
| 10 | tposssxp 8222 | . . 3 ⊢ tpos 𝐴 ⊆ ((◡dom 𝐴 ∪ {∅}) × ran 𝐴) | |
| 11 | 10 | a1i 11 | . 2 ⊢ (𝜑 → tpos 𝐴 ⊆ ((◡dom 𝐴 ∪ {∅}) × ran 𝐴)) |
| 12 | 1, 9, 11 | wunss 10693 | 1 ⊢ (𝜑 → tpos 𝐴 ∈ 𝑈) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2149 ∪ cun 3911 ⊆ wss 3913 ∅c0 4294 {csn 4591 × cxp 5657 ◡ccnv 5658 dom cdm 5659 ran crn 5660 tpos ctpos 8217 WUnicwun 10681 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5258 ax-pr 5402 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-tpos 8218 df-wun 10683 |
| This theorem is referenced by: catcoppccl 18170 |
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