Theorem tposexg 7366

Description: The transposition of a set is a set. (Contributed by Mario Carneiro, 10-Sep-2015.)

Assertion

Ref	Expression
tposexg	⊢ (𝐹 ∈ 𝑉 → tpos 𝐹 ∈ V)

Proof of Theorem tposexg

Step	Hyp	Ref	Expression
1		tposssxp 7356	. 2 ⊢ tpos 𝐹 ⊆ ((◡dom 𝐹 ∪ {∅}) × ran 𝐹)
2		dmexg 7097	. . . . 5 ⊢ (𝐹 ∈ 𝑉 → dom 𝐹 ∈ V)
3		cnvexg 7112	. . . . 5 ⊢ (dom 𝐹 ∈ V → ◡dom 𝐹 ∈ V)
4	2, 3	syl 17	. . . 4 ⊢ (𝐹 ∈ 𝑉 → ◡dom 𝐹 ∈ V)
5		p0ex 4853	. . . 4 ⊢ {∅} ∈ V
6		unexg 6959	. . . 4 ⊢ ((◡dom 𝐹 ∈ V ∧ {∅} ∈ V) → (◡dom 𝐹 ∪ {∅}) ∈ V)
7	4, 5, 6	sylancl 694	. . 3 ⊢ (𝐹 ∈ 𝑉 → (◡dom 𝐹 ∪ {∅}) ∈ V)
8		rnexg 7098	. . 3 ⊢ (𝐹 ∈ 𝑉 → ran 𝐹 ∈ V)
9		xpexg 6960	. . 3 ⊢ (((◡dom 𝐹 ∪ {∅}) ∈ V ∧ ran 𝐹 ∈ V) → ((◡dom 𝐹 ∪ {∅}) × ran 𝐹) ∈ V)
10	7, 8, 9	syl2anc 693	. 2 ⊢ (𝐹 ∈ 𝑉 → ((◡dom 𝐹 ∪ {∅}) × ran 𝐹) ∈ V)
11		ssexg 4804	. 2 ⊢ ((tpos 𝐹 ⊆ ((◡dom 𝐹 ∪ {∅}) × ran 𝐹) ∧ ((◡dom 𝐹 ∪ {∅}) × ran 𝐹) ∈ V) → tpos 𝐹 ∈ V)
12	1, 10, 11	sylancr 695	1 ⊢ (𝐹 ∈ 𝑉 → tpos 𝐹 ∈ V)

Syntax hints:   → wi 4   ∈ wcel 1990  Vcvv 3200   ∪ cun 3572   ⊆ wss 3574  ∅c0 3915  {csn 4177   × cxp 5112  ^◡ccnv 5113  dom cdm 5114  ran crn 5115  tpos ctpos 7351

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ral 2917  df-rex 2918  df-rab 2921  df-v 3202  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  df-br 4654  df-opab 4713  df-mpt 4730  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-tpos 7352

This theorem is referenced by:  tposex  7386  oftpos  20258