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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 10642 | . . . . 5 ⊢ (𝜑 → dom 𝐴 ∈ 𝑈) |
| 4 | 1, 3 | wuncnv 10644 | . . . 4 ⊢ (𝜑 → ◡dom 𝐴 ∈ 𝑈) |
| 5 | 1 | wun0 10632 | . . . . 5 ⊢ (𝜑 → ∅ ∈ 𝑈) |
| 6 | 1, 5 | wunsn 10630 | . . . 4 ⊢ (𝜑 → {∅} ∈ 𝑈) |
| 7 | 1, 4, 6 | wunun 10624 | . . 3 ⊢ (𝜑 → (◡dom 𝐴 ∪ {∅}) ∈ 𝑈) |
| 8 | 1, 2 | wunrn 10643 | . . 3 ⊢ (𝜑 → ran 𝐴 ∈ 𝑈) |
| 9 | 1, 7, 8 | wunxp 10638 | . 2 ⊢ (𝜑 → ((◡dom 𝐴 ∪ {∅}) × ran 𝐴) ∈ 𝑈) |
| 10 | tposssxp 8170 | . . 3 ⊢ tpos 𝐴 ⊆ ((◡dom 𝐴 ∪ {∅}) × ran 𝐴) | |
| 11 | 10 | a1i 11 | . 2 ⊢ (𝜑 → tpos 𝐴 ⊆ ((◡dom 𝐴 ∪ {∅}) × ran 𝐴)) |
| 12 | 1, 9, 11 | wunss 10626 | 1 ⊢ (𝜑 → tpos 𝐴 ∈ 𝑈) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2119 ∪ cun 3881 ⊆ wss 3883 ∅c0 4261 {csn 4555 × cxp 5616 ◡ccnv 5617 dom cdm 5618 ran crn 5619 tpos ctpos 8165 WUnicwun 10614 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-sep 5218 ax-pr 5362 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-ral 3054 df-rex 3064 df-rab 3392 df-v 3433 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-pw 4531 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-br 5073 df-opab 5135 df-mpt 5154 df-tr 5180 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-tpos 8166 df-wun 10616 |
| This theorem is referenced by: catcoppccl 18075 |
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