ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  brtposg GIF version

Theorem brtposg 6233
Description: The transposition swaps arguments of a three-parameter relation. (Contributed by Jim Kingdon, 31-Jan-2019.)
Assertion
Ref Expression
brtposg ((𝐴𝑉𝐵𝑊𝐶𝑋) → (⟨𝐴, 𝐵⟩tpos 𝐹𝐶 ↔ ⟨𝐵, 𝐴𝐹𝐶))

Proof of Theorem brtposg
StepHypRef Expression
1 opswapg 5097 . . . . 5 ((𝐴𝑉𝐵𝑊) → {⟨𝐴, 𝐵⟩} = ⟨𝐵, 𝐴⟩)
21breq1d 3999 . . . 4 ((𝐴𝑉𝐵𝑊) → ( {⟨𝐴, 𝐵⟩}𝐹𝐶 ↔ ⟨𝐵, 𝐴𝐹𝐶))
323adant3 1012 . . 3 ((𝐴𝑉𝐵𝑊𝐶𝑋) → ( {⟨𝐴, 𝐵⟩}𝐹𝐶 ↔ ⟨𝐵, 𝐴𝐹𝐶))
43anbi2d 461 . 2 ((𝐴𝑉𝐵𝑊𝐶𝑋) → ((⟨𝐴, 𝐵⟩ ∈ (dom 𝐹 ∪ {∅}) ∧ {⟨𝐴, 𝐵⟩}𝐹𝐶) ↔ (⟨𝐴, 𝐵⟩ ∈ (dom 𝐹 ∪ {∅}) ∧ ⟨𝐵, 𝐴𝐹𝐶)))
5 brtpos2 6230 . . 3 (𝐶𝑋 → (⟨𝐴, 𝐵⟩tpos 𝐹𝐶 ↔ (⟨𝐴, 𝐵⟩ ∈ (dom 𝐹 ∪ {∅}) ∧ {⟨𝐴, 𝐵⟩}𝐹𝐶)))
653ad2ant3 1015 . 2 ((𝐴𝑉𝐵𝑊𝐶𝑋) → (⟨𝐴, 𝐵⟩tpos 𝐹𝐶 ↔ (⟨𝐴, 𝐵⟩ ∈ (dom 𝐹 ∪ {∅}) ∧ {⟨𝐴, 𝐵⟩}𝐹𝐶)))
7 opexg 4213 . . . . . . . . 9 ((𝐵𝑊𝐴𝑉) → ⟨𝐵, 𝐴⟩ ∈ V)
87ancoms 266 . . . . . . . 8 ((𝐴𝑉𝐵𝑊) → ⟨𝐵, 𝐴⟩ ∈ V)
98anim1i 338 . . . . . . 7 (((𝐴𝑉𝐵𝑊) ∧ 𝐶𝑋) → (⟨𝐵, 𝐴⟩ ∈ V ∧ 𝐶𝑋))
1093impa 1189 . . . . . 6 ((𝐴𝑉𝐵𝑊𝐶𝑋) → (⟨𝐵, 𝐴⟩ ∈ V ∧ 𝐶𝑋))
11 breldmg 4817 . . . . . . 7 ((⟨𝐵, 𝐴⟩ ∈ V ∧ 𝐶𝑋 ∧ ⟨𝐵, 𝐴𝐹𝐶) → ⟨𝐵, 𝐴⟩ ∈ dom 𝐹)
12113expia 1200 . . . . . 6 ((⟨𝐵, 𝐴⟩ ∈ V ∧ 𝐶𝑋) → (⟨𝐵, 𝐴𝐹𝐶 → ⟨𝐵, 𝐴⟩ ∈ dom 𝐹))
1310, 12syl 14 . . . . 5 ((𝐴𝑉𝐵𝑊𝐶𝑋) → (⟨𝐵, 𝐴𝐹𝐶 → ⟨𝐵, 𝐴⟩ ∈ dom 𝐹))
14 opelcnvg 4791 . . . . . 6 ((𝐴𝑉𝐵𝑊) → (⟨𝐴, 𝐵⟩ ∈ dom 𝐹 ↔ ⟨𝐵, 𝐴⟩ ∈ dom 𝐹))
15143adant3 1012 . . . . 5 ((𝐴𝑉𝐵𝑊𝐶𝑋) → (⟨𝐴, 𝐵⟩ ∈ dom 𝐹 ↔ ⟨𝐵, 𝐴⟩ ∈ dom 𝐹))
1613, 15sylibrd 168 . . . 4 ((𝐴𝑉𝐵𝑊𝐶𝑋) → (⟨𝐵, 𝐴𝐹𝐶 → ⟨𝐴, 𝐵⟩ ∈ dom 𝐹))
17 elun1 3294 . . . 4 (⟨𝐴, 𝐵⟩ ∈ dom 𝐹 → ⟨𝐴, 𝐵⟩ ∈ (dom 𝐹 ∪ {∅}))
1816, 17syl6 33 . . 3 ((𝐴𝑉𝐵𝑊𝐶𝑋) → (⟨𝐵, 𝐴𝐹𝐶 → ⟨𝐴, 𝐵⟩ ∈ (dom 𝐹 ∪ {∅})))
1918pm4.71rd 392 . 2 ((𝐴𝑉𝐵𝑊𝐶𝑋) → (⟨𝐵, 𝐴𝐹𝐶 ↔ (⟨𝐴, 𝐵⟩ ∈ (dom 𝐹 ∪ {∅}) ∧ ⟨𝐵, 𝐴𝐹𝐶)))
204, 6, 193bitr4d 219 1 ((𝐴𝑉𝐵𝑊𝐶𝑋) → (⟨𝐴, 𝐵⟩tpos 𝐹𝐶 ↔ ⟨𝐵, 𝐴𝐹𝐶))
Colors of variables: wff set class
Syntax hints:  wi 4  wa 103  wb 104  w3a 973  wcel 2141  Vcvv 2730  cun 3119  c0 3414  {csn 3583  cop 3586   cuni 3796   class class class wbr 3989  ccnv 4610  dom cdm 4611  tpos ctpos 6223
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-io 704  ax-5 1440  ax-7 1441  ax-gen 1442  ax-ie1 1486  ax-ie2 1487  ax-8 1497  ax-10 1498  ax-11 1499  ax-i12 1500  ax-bndl 1502  ax-4 1503  ax-17 1519  ax-i9 1523  ax-ial 1527  ax-i5r 1528  ax-13 2143  ax-14 2144  ax-ext 2152  ax-sep 4107  ax-pow 4160  ax-pr 4194  ax-un 4418
This theorem depends on definitions:  df-bi 116  df-3an 975  df-tru 1351  df-nf 1454  df-sb 1756  df-eu 2022  df-mo 2023  df-clab 2157  df-cleq 2163  df-clel 2166  df-nfc 2301  df-ral 2453  df-rex 2454  df-rab 2457  df-v 2732  df-sbc 2956  df-un 3125  df-in 3127  df-ss 3134  df-pw 3568  df-sn 3589  df-pr 3590  df-op 3592  df-uni 3797  df-br 3990  df-opab 4051  df-mpt 4052  df-id 4278  df-xp 4617  df-rel 4618  df-cnv 4619  df-co 4620  df-dm 4621  df-rn 4622  df-res 4623  df-ima 4624  df-iota 5160  df-fun 5200  df-fn 5201  df-fv 5206  df-tpos 6224
This theorem is referenced by:  ottposg  6234  dmtpos  6235  rntpos  6236  ovtposg  6238  dftpos3  6241  tpostpos  6243
  Copyright terms: Public domain W3C validator