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Mirrors > Home > MPE Home > Th. List > tposexg | Structured version Visualization version GIF version |
Description: The transposition of a set is a set. (Contributed by Mario Carneiro, 10-Sep-2015.) |
Ref | Expression |
---|---|
tposexg | ⊢ (𝐹 ∈ 𝑉 → tpos 𝐹 ∈ V) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tposssxp 8213 | . 2 ⊢ tpos 𝐹 ⊆ ((◡dom 𝐹 ∪ {∅}) × ran 𝐹) | |
2 | dmexg 7890 | . . . . 5 ⊢ (𝐹 ∈ 𝑉 → dom 𝐹 ∈ V) | |
3 | cnvexg 7911 | . . . . 5 ⊢ (dom 𝐹 ∈ V → ◡dom 𝐹 ∈ V) | |
4 | 2, 3 | syl 17 | . . . 4 ⊢ (𝐹 ∈ 𝑉 → ◡dom 𝐹 ∈ V) |
5 | p0ex 5375 | . . . 4 ⊢ {∅} ∈ V | |
6 | unexg 7732 | . . . 4 ⊢ ((◡dom 𝐹 ∈ V ∧ {∅} ∈ V) → (◡dom 𝐹 ∪ {∅}) ∈ V) | |
7 | 4, 5, 6 | sylancl 585 | . . 3 ⊢ (𝐹 ∈ 𝑉 → (◡dom 𝐹 ∪ {∅}) ∈ V) |
8 | rnexg 7891 | . . 3 ⊢ (𝐹 ∈ 𝑉 → ran 𝐹 ∈ V) | |
9 | 7, 8 | xpexd 7734 | . 2 ⊢ (𝐹 ∈ 𝑉 → ((◡dom 𝐹 ∪ {∅}) × ran 𝐹) ∈ V) |
10 | ssexg 5316 | . 2 ⊢ ((tpos 𝐹 ⊆ ((◡dom 𝐹 ∪ {∅}) × ran 𝐹) ∧ ((◡dom 𝐹 ∪ {∅}) × ran 𝐹) ∈ V) → tpos 𝐹 ∈ V) | |
11 | 1, 9, 10 | sylancr 586 | 1 ⊢ (𝐹 ∈ 𝑉 → tpos 𝐹 ∈ V) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2098 Vcvv 3468 ∪ cun 3941 ⊆ wss 3943 ∅c0 4317 {csn 4623 × cxp 5667 ◡ccnv 5668 dom cdm 5669 ran crn 5670 tpos ctpos 8208 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2163 ax-ext 2697 ax-sep 5292 ax-nul 5299 ax-pow 5356 ax-pr 5420 ax-un 7721 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2704 df-cleq 2718 df-clel 2804 df-nfc 2879 df-ral 3056 df-rex 3065 df-rab 3427 df-v 3470 df-dif 3946 df-un 3948 df-in 3950 df-ss 3960 df-nul 4318 df-if 4524 df-pw 4599 df-sn 4624 df-pr 4626 df-op 4630 df-uni 4903 df-br 5142 df-opab 5204 df-mpt 5225 df-xp 5675 df-rel 5676 df-cnv 5677 df-co 5678 df-dm 5679 df-rn 5680 df-res 5681 df-ima 5682 df-tpos 8209 |
This theorem is referenced by: tposex 8243 oftpos 22305 |
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