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Mirrors > Home > ILE Home > Th. List > tprot | GIF version |
Description: Rotation of the elements of an unordered triple. (Contributed by Alan Sare, 24-Oct-2011.) |
Ref | Expression |
---|---|
tprot | ⊢ {𝐴, 𝐵, 𝐶} = {𝐵, 𝐶, 𝐴} |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3orrot 973 | . . 3 ⊢ ((𝑥 = 𝐴 ∨ 𝑥 = 𝐵 ∨ 𝑥 = 𝐶) ↔ (𝑥 = 𝐵 ∨ 𝑥 = 𝐶 ∨ 𝑥 = 𝐴)) | |
2 | 1 | abbii 2280 | . 2 ⊢ {𝑥 ∣ (𝑥 = 𝐴 ∨ 𝑥 = 𝐵 ∨ 𝑥 = 𝐶)} = {𝑥 ∣ (𝑥 = 𝐵 ∨ 𝑥 = 𝐶 ∨ 𝑥 = 𝐴)} |
3 | dftp2 3619 | . 2 ⊢ {𝐴, 𝐵, 𝐶} = {𝑥 ∣ (𝑥 = 𝐴 ∨ 𝑥 = 𝐵 ∨ 𝑥 = 𝐶)} | |
4 | dftp2 3619 | . 2 ⊢ {𝐵, 𝐶, 𝐴} = {𝑥 ∣ (𝑥 = 𝐵 ∨ 𝑥 = 𝐶 ∨ 𝑥 = 𝐴)} | |
5 | 2, 3, 4 | 3eqtr4i 2195 | 1 ⊢ {𝐴, 𝐵, 𝐶} = {𝐵, 𝐶, 𝐴} |
Colors of variables: wff set class |
Syntax hints: ∨ w3o 966 = wceq 1342 {cab 2150 {ctp 3572 |
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 699 ax-5 1434 ax-7 1435 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-8 1491 ax-10 1492 ax-11 1493 ax-i12 1494 ax-bndl 1496 ax-4 1497 ax-17 1513 ax-i9 1517 ax-ial 1521 ax-i5r 1522 ax-ext 2146 |
This theorem depends on definitions: df-bi 116 df-3or 968 df-tru 1345 df-nf 1448 df-sb 1750 df-clab 2151 df-cleq 2157 df-clel 2160 df-nfc 2295 df-v 2723 df-un 3115 df-sn 3576 df-pr 3577 df-tp 3578 |
This theorem is referenced by: tpcomb 3665 tpass 3666 tpidm13 3670 tpidm23 3671 prsstp23 3722 fvtp2g 5688 fvtp3g 5689 fvtp2 5691 fvtp3 5692 |
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