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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 4842 |
. 2
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2 | df-br 4030 |
. 2
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3 | df-br 4030 |
. 2
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4 | 1, 2, 3 | 3bitr4g 223 |
1
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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 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-v 2762 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-br 4030 df-opab 4091 df-cnv 4667 |
This theorem is referenced by: brcnv 4845 brelrng 4893 eliniseg 5035 relbrcnvg 5044 brcodir 5053 sefvex 5575 foeqcnvco 5833 isocnv2 5855 ersym 6599 brdifun 6614 ecidg 6653 cnvti 7078 eqinfti 7079 inflbti 7083 infglbti 7084 negiso 8974 xrnegiso 11405 znleval 14141 pw1nct 15493 |
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