Theorem tposexg 7517

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 7507	. 2 ⊢ tpos 𝐹 ⊆ ((◡dom 𝐹 ∪ {∅}) × ran 𝐹)
2		dmexg 7243	. . . . 5 ⊢ (𝐹 ∈ 𝑉 → dom 𝐹 ∈ V)
3		cnvexg 7258	. . . . 5 ⊢ (dom 𝐹 ∈ V → ◡dom 𝐹 ∈ V)
4	2, 3	syl 17	. . . 4 ⊢ (𝐹 ∈ 𝑉 → ◡dom 𝐹 ∈ V)
5		p0ex 4981	. . . 4 ⊢ {∅} ∈ V
6		unexg 7105	. . . 4 ⊢ ((◡dom 𝐹 ∈ V ∧ {∅} ∈ V) → (◡dom 𝐹 ∪ {∅}) ∈ V)
7	4, 5, 6	sylancl 566	. . 3 ⊢ (𝐹 ∈ 𝑉 → (◡dom 𝐹 ∪ {∅}) ∈ V)
8		rnexg 7244	. . 3 ⊢ (𝐹 ∈ 𝑉 → ran 𝐹 ∈ V)
9		xpexg 7106	. . 3 ⊢ (((◡dom 𝐹 ∪ {∅}) ∈ V ∧ ran 𝐹 ∈ V) → ((◡dom 𝐹 ∪ {∅}) × ran 𝐹) ∈ V)
10	7, 8, 9	syl2anc 565	. 2 ⊢ (𝐹 ∈ 𝑉 → ((◡dom 𝐹 ∪ {∅}) × ran 𝐹) ∈ V)
11		ssexg 4935	. 2 ⊢ ((tpos 𝐹 ⊆ ((◡dom 𝐹 ∪ {∅}) × ran 𝐹) ∧ ((◡dom 𝐹 ∪ {∅}) × ran 𝐹) ∈ V) → tpos 𝐹 ∈ V)
12	1, 10, 11	sylancr 567	1 ⊢ (𝐹 ∈ 𝑉 → tpos 𝐹 ∈ V)

Syntax hints:   → wi 4   ∈ wcel 2144  Vcvv 3349   ∪ cun 3719   ⊆ wss 3721  ∅c0 4061  {csn 4314   × cxp 5247  ^◡ccnv 5248  dom cdm 5249  ran crn 5250  tpos ctpos 7502

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1869  ax-4 1884  ax-5 1990  ax-6 2056  ax-7 2092  ax-8 2146  ax-9 2153  ax-10 2173  ax-11 2189  ax-12 2202  ax-13 2407  ax-ext 2750  ax-sep 4912  ax-nul 4920  ax-pow 4971  ax-pr 5034  ax-un 7095

This theorem depends on definitions:  df-bi 197  df-an 383  df-or 827  df-3an 1072  df-tru 1633  df-ex 1852  df-nf 1857  df-sb 2049  df-eu 2621  df-mo 2622  df-clab 2757  df-cleq 2763  df-clel 2766  df-nfc 2901  df-ral 3065  df-rex 3066  df-rab 3069  df-v 3351  df-dif 3724  df-un 3726  df-in 3728  df-ss 3735  df-nul 4062  df-if 4224  df-pw 4297  df-sn 4315  df-pr 4317  df-op 4321  df-uni 4573  df-br 4785  df-opab 4845  df-mpt 4862  df-xp 5255  df-rel 5256  df-cnv 5257  df-co 5258  df-dm 5259  df-rn 5260  df-res 5261  df-ima 5262  df-tpos 7503

This theorem is referenced by:  tposex  7537  oftpos  20475