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Mirrors > Home > ILE Home > Th. List > brcnvg | Unicode version |
Description: The converse of a binary relation swaps arguments. Theorem 11 of [Suppes] p. 61. (Contributed by NM, 10-Oct-2005.) |
Ref | Expression |
---|---|
brcnvg |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | opelcnvg 4679 |
. 2
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2 | df-br 3896 |
. 2
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3 | df-br 3896 |
. 2
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4 | 1, 2, 3 | 3bitr4g 222 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 681 ax-5 1406 ax-7 1407 ax-gen 1408 ax-ie1 1452 ax-ie2 1453 ax-8 1465 ax-10 1466 ax-11 1467 ax-i12 1468 ax-bndl 1469 ax-4 1470 ax-14 1475 ax-17 1489 ax-i9 1493 ax-ial 1497 ax-i5r 1498 ax-ext 2097 ax-sep 4006 ax-pow 4058 ax-pr 4091 |
This theorem depends on definitions: df-bi 116 df-3an 947 df-tru 1317 df-nf 1420 df-sb 1719 df-eu 1978 df-mo 1979 df-clab 2102 df-cleq 2108 df-clel 2111 df-nfc 2244 df-v 2659 df-un 3041 df-in 3043 df-ss 3050 df-pw 3478 df-sn 3499 df-pr 3500 df-op 3502 df-br 3896 df-opab 3950 df-cnv 4507 |
This theorem is referenced by: brcnv 4682 brelrng 4730 eliniseg 4867 relbrcnvg 4876 brcodir 4884 sefvex 5396 foeqcnvco 5645 isocnv2 5667 ersym 6395 brdifun 6410 ecidg 6447 cnvti 6858 eqinfti 6859 inflbti 6863 infglbti 6864 negiso 8620 xrnegiso 10920 |
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