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Theorem ottposg 6145
Description: The transposition swaps the first two elements in a collection of ordered triples. (Contributed by Mario Carneiro, 1-Dec-2014.)
Assertion
Ref Expression
ottposg ((𝐴𝑉𝐵𝑊𝐶𝑋) → (⟨𝐴, 𝐵, 𝐶⟩ ∈ tpos 𝐹 ↔ ⟨𝐵, 𝐴, 𝐶⟩ ∈ 𝐹))

Proof of Theorem ottposg
StepHypRef Expression
1 brtposg 6144 . . 3 ((𝐴𝑉𝐵𝑊𝐶𝑋) → (⟨𝐴, 𝐵⟩tpos 𝐹𝐶 ↔ ⟨𝐵, 𝐴𝐹𝐶))
2 df-br 3925 . . 3 (⟨𝐴, 𝐵⟩tpos 𝐹𝐶 ↔ ⟨⟨𝐴, 𝐵⟩, 𝐶⟩ ∈ tpos 𝐹)
3 df-br 3925 . . 3 (⟨𝐵, 𝐴𝐹𝐶 ↔ ⟨⟨𝐵, 𝐴⟩, 𝐶⟩ ∈ 𝐹)
41, 2, 33bitr3g 221 . 2 ((𝐴𝑉𝐵𝑊𝐶𝑋) → (⟨⟨𝐴, 𝐵⟩, 𝐶⟩ ∈ tpos 𝐹 ↔ ⟨⟨𝐵, 𝐴⟩, 𝐶⟩ ∈ 𝐹))
5 df-ot 3532 . . 3 𝐴, 𝐵, 𝐶⟩ = ⟨⟨𝐴, 𝐵⟩, 𝐶
65eleq1i 2203 . 2 (⟨𝐴, 𝐵, 𝐶⟩ ∈ tpos 𝐹 ↔ ⟨⟨𝐴, 𝐵⟩, 𝐶⟩ ∈ tpos 𝐹)
7 df-ot 3532 . . 3 𝐵, 𝐴, 𝐶⟩ = ⟨⟨𝐵, 𝐴⟩, 𝐶
87eleq1i 2203 . 2 (⟨𝐵, 𝐴, 𝐶⟩ ∈ 𝐹 ↔ ⟨⟨𝐵, 𝐴⟩, 𝐶⟩ ∈ 𝐹)
94, 6, 83bitr4g 222 1 ((𝐴𝑉𝐵𝑊𝐶𝑋) → (⟨𝐴, 𝐵, 𝐶⟩ ∈ tpos 𝐹 ↔ ⟨𝐵, 𝐴, 𝐶⟩ ∈ 𝐹))
Colors of variables: wff set class
Syntax hints:  wi 4  wb 104  w3a 962  wcel 1480  cop 3525  cotp 3526   class class class wbr 3924  tpos ctpos 6134
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 698  ax-5 1423  ax-7 1424  ax-gen 1425  ax-ie1 1469  ax-ie2 1470  ax-8 1482  ax-10 1483  ax-11 1484  ax-i12 1485  ax-bndl 1486  ax-4 1487  ax-13 1491  ax-14 1492  ax-17 1506  ax-i9 1510  ax-ial 1514  ax-i5r 1515  ax-ext 2119  ax-sep 4041  ax-pow 4093  ax-pr 4126  ax-un 4350
This theorem depends on definitions:  df-bi 116  df-3an 964  df-tru 1334  df-nf 1437  df-sb 1736  df-eu 2000  df-mo 2001  df-clab 2124  df-cleq 2130  df-clel 2133  df-nfc 2268  df-ral 2419  df-rex 2420  df-rab 2423  df-v 2683  df-sbc 2905  df-un 3070  df-in 3072  df-ss 3079  df-pw 3507  df-sn 3528  df-pr 3529  df-op 3531  df-ot 3532  df-uni 3732  df-br 3925  df-opab 3985  df-mpt 3986  df-id 4210  df-xp 4540  df-rel 4541  df-cnv 4542  df-co 4543  df-dm 4544  df-rn 4545  df-res 4546  df-ima 4547  df-iota 5083  df-fun 5120  df-fn 5121  df-fv 5126  df-tpos 6135
This theorem is referenced by: (None)
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