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Mirrors > Home > ILE Home > Th. List > brcnv | Unicode version |
Description: The converse of a binary relation swaps arguments. Theorem 11 of [Suppes] p. 61. (Contributed by NM, 13-Aug-1995.) |
Ref | Expression |
---|---|
opelcnv.1 |
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opelcnv.2 |
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Ref | Expression |
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brcnv |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | opelcnv.1 |
. 2
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2 | opelcnv.2 |
. 2
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3 | brcnvg 4843 |
. 2
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4 | 1, 2, 3 | mp2an 426 |
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: cnvco 4847 dfrn2 4850 dfdm4 4854 cnvsym 5049 intasym 5050 asymref 5051 qfto 5055 dminss 5080 imainss 5081 dminxp 5110 cnvcnv3 5115 cnvpom 5208 cnvsom 5209 dffun2 5264 funcnvsn 5299 funcnv2 5314 funcnveq 5317 fun2cnv 5318 imadif 5334 f1ompt 5709 f1eqcocnv 5834 fliftcnv 5838 isocnv2 5855 ercnv 6608 ecid 6652 cnvinfex 7077 eqinfti 7079 infvalti 7081 infmoti 7087 dfinfre 8975 pw1nct 15493 |
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