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Theorem tposexg 6529
Description: The transposition of a set is a set. (Contributed by Mario Carneiro, 10-Sep-2015.)
Assertion
Ref Expression
tposexg (𝐹𝑉 → tpos 𝐹 ∈ V)

Proof of Theorem tposexg
StepHypRef Expression
1 tposssxp 6520 . 2 tpos 𝐹 ⊆ ((dom 𝐹 ∪ {∅}) × ran 𝐹)
2 dmexg 5046 . . . . 5 (𝐹𝑉 → dom 𝐹 ∈ V)
3 cnvexg 5325 . . . . 5 (dom 𝐹 ∈ V → dom 𝐹 ∈ V)
42, 3syl 14 . . . 4 (𝐹𝑉dom 𝐹 ∈ V)
5 p0ex 4325 . . . 4 {∅} ∈ V
6 unexg 4589 . . . 4 ((dom 𝐹 ∈ V ∧ {∅} ∈ V) → (dom 𝐹 ∪ {∅}) ∈ V)
74, 5, 6sylancl 417 . . 3 (𝐹𝑉 → (dom 𝐹 ∪ {∅}) ∈ V)
8 rnexg 5047 . . 3 (𝐹𝑉 → ran 𝐹 ∈ V)
9 xpexg 4889 . . 3 (((dom 𝐹 ∪ {∅}) ∈ V ∧ ran 𝐹 ∈ V) → ((dom 𝐹 ∪ {∅}) × ran 𝐹) ∈ V)
107, 8, 9syl2anc 415 . 2 (𝐹𝑉 → ((dom 𝐹 ∪ {∅}) × ran 𝐹) ∈ V)
11 ssexg 4272 . 2 ((tpos 𝐹 ⊆ ((dom 𝐹 ∪ {∅}) × ran 𝐹) ∧ ((dom 𝐹 ∪ {∅}) × ran 𝐹) ∈ V) → tpos 𝐹 ∈ V)
121, 10, 11sylancr 418 1 (𝐹𝑉 → tpos 𝐹 ∈ V)
Colors of variables:    wff set class
This proof depends on syntax axioms:  wi 4  wcel 2209  Vcvv 2821  cun 3218  wss 3220  c0 3520  {csn 3709   × cxp 4772  ccnv 4773  dom cdm 4774  ran crn 4775  tpos ctpos 6515
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-sep 4249  ax-nul 4259  ax-pow 4311  ax-pr 4346  ax-un 4578
This proof depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ral 2533  df-rex 2534  df-rab 2537  df-v 2823  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-pw 3690  df-sn 3715  df-pr 3716  df-op 3718  df-uni 3936  df-br 4131  df-opab 4193  df-mpt 4194  df-xp 4780  df-rel 4781  df-cnv 4782  df-co 4783  df-dm 4784  df-rn 4785  df-res 4786  df-ima 4787  df-tpos 6516
This theorem is used by:  tposex  6549  opprvalg  14376  opprmulfvalg  14377  opprex  14380  opprsllem  14381
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