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| Mirrors > Home > MPE Home > Th. List > relbrtpos | Structured version Visualization version GIF version | ||
| Description: The transposition swaps arguments of a three-parameter relation. (Contributed by Mario Carneiro, 3-Nov-2015.) |
| Ref | Expression |
|---|---|
| relbrtpos | ⊢ (Rel 𝐹 → (〈𝐴, 𝐵〉tpos 𝐹𝐶 ↔ 〈𝐵, 𝐴〉𝐹𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | reltpos 8164 | . . . 4 ⊢ Rel tpos 𝐹 | |
| 2 | 1 | a1i 11 | . . 3 ⊢ (Rel 𝐹 → Rel tpos 𝐹) |
| 3 | brrelex2 5673 | . . 3 ⊢ ((Rel tpos 𝐹 ∧ 〈𝐴, 𝐵〉tpos 𝐹𝐶) → 𝐶 ∈ V) | |
| 4 | 2, 3 | sylan 580 | . 2 ⊢ ((Rel 𝐹 ∧ 〈𝐴, 𝐵〉tpos 𝐹𝐶) → 𝐶 ∈ V) |
| 5 | brrelex2 5673 | . 2 ⊢ ((Rel 𝐹 ∧ 〈𝐵, 𝐴〉𝐹𝐶) → 𝐶 ∈ V) | |
| 6 | brtpos 8168 | . 2 ⊢ (𝐶 ∈ V → (〈𝐴, 𝐵〉tpos 𝐹𝐶 ↔ 〈𝐵, 𝐴〉𝐹𝐶)) | |
| 7 | 4, 5, 6 | pm5.21nd 801 | 1 ⊢ (Rel 𝐹 → (〈𝐴, 𝐵〉tpos 𝐹𝐶 ↔ 〈𝐵, 𝐴〉𝐹𝐶)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∈ wcel 2109 Vcvv 3436 〈cop 4583 class class class wbr 5092 Rel wrel 5624 tpos ctpos 8158 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-sep 5235 ax-nul 5245 ax-pow 5304 ax-pr 5371 ax-un 7671 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-ral 3045 df-rex 3054 df-rab 3395 df-v 3438 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4285 df-if 4477 df-pw 4553 df-sn 4578 df-pr 4580 df-op 4584 df-uni 4859 df-br 5093 df-opab 5155 df-mpt 5174 df-id 5514 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-iota 6438 df-fun 6484 df-fn 6485 df-fv 6490 df-tpos 8159 |
| This theorem is referenced by: (None) |
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