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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 4955 |
. 2
| |
| 2 | df-br 4126 |
. 2
| |
| 3 | df-br 4126 |
. 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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-br 4126 df-opab 4188 df-cnv 4777 |
| This theorem is referenced by: brcnv 4958 brelrng 5008 eliniseg 5152 relbrcnvg 5161 brcodir 5170 sefvex 5711 foeqcnvco 5986 isocnv2 6008 ersym 6809 brdifun 6824 ecidg 6863 cnvti 7349 eqinfti 7350 inflbti 7354 infglbti 7355 negiso 9275 xrnegiso 12006 znleval 14960 pw1nct 16947 |
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