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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 4563 |
. 2
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2 | df-br 3806 |
. 2
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3 | df-br 3806 |
. 2
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4 | 1, 2, 3 | 3bitr4g 221 |
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 104 ax-ia2 105 ax-ia3 106 ax-io 663 ax-5 1377 ax-7 1378 ax-gen 1379 ax-ie1 1423 ax-ie2 1424 ax-8 1436 ax-10 1437 ax-11 1438 ax-i12 1439 ax-bndl 1440 ax-4 1441 ax-14 1446 ax-17 1460 ax-i9 1464 ax-ial 1468 ax-i5r 1469 ax-ext 2065 ax-sep 3916 ax-pow 3968 ax-pr 3992 |
This theorem depends on definitions: df-bi 115 df-3an 922 df-tru 1288 df-nf 1391 df-sb 1688 df-eu 1946 df-mo 1947 df-clab 2070 df-cleq 2076 df-clel 2079 df-nfc 2212 df-v 2612 df-un 2986 df-in 2988 df-ss 2995 df-pw 3402 df-sn 3422 df-pr 3423 df-op 3425 df-br 3806 df-opab 3860 df-cnv 4399 |
This theorem is referenced by: brcnv 4566 brelrng 4613 eliniseg 4745 relbrcnvg 4754 brcodir 4762 sefvex 5247 foeqcnvco 5481 isocnv2 5503 ersym 6205 brdifun 6220 ecidg 6257 cnvti 6526 eqinfti 6527 inflbti 6531 infglbti 6532 negiso 8152 |
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