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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 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opelcnvg 4859 |
. 2
| |
| 2 | df-br 4046 |
. 2
| |
| 3 | df-br 4046 |
. 2
| |
| 4 | 1, 2, 3 | 3bitr4g 223 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 711 ax-5 1470 ax-7 1471 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-8 1527 ax-10 1528 ax-11 1529 ax-i12 1530 ax-bndl 1532 ax-4 1533 ax-17 1549 ax-i9 1553 ax-ial 1557 ax-i5r 1558 ax-14 2179 ax-ext 2187 ax-sep 4163 ax-pow 4219 ax-pr 4254 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1484 df-sb 1786 df-eu 2057 df-mo 2058 df-clab 2192 df-cleq 2198 df-clel 2201 df-nfc 2337 df-v 2774 df-un 3170 df-in 3172 df-ss 3179 df-pw 3618 df-sn 3639 df-pr 3640 df-op 3642 df-br 4046 df-opab 4107 df-cnv 4684 |
| This theorem is referenced by: brcnv 4862 brelrng 4910 eliniseg 5053 relbrcnvg 5062 brcodir 5071 sefvex 5599 foeqcnvco 5861 isocnv2 5883 ersym 6634 brdifun 6649 ecidg 6688 cnvti 7123 eqinfti 7124 inflbti 7128 infglbti 7129 negiso 9030 xrnegiso 11606 znleval 14448 pw1nct 15977 |
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