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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 4844 |
. 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 4148 ax-pow 4204 ax-pr 4239 |
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 3158 df-in 3160 df-ss 3167 df-pw 3604 df-sn 3625 df-pr 3626 df-op 3628 df-br 4031 df-opab 4092 df-cnv 4668 |
This theorem is referenced by: cnvco 4848 dfrn2 4851 dfdm4 4855 cnvsym 5050 intasym 5051 asymref 5052 qfto 5056 dminss 5081 imainss 5082 dminxp 5111 cnvcnv3 5116 cnvpom 5209 cnvsom 5210 dffun2 5265 funcnvsn 5300 funcnv2 5315 funcnveq 5318 fun2cnv 5319 imadif 5335 f1ompt 5710 f1eqcocnv 5835 fliftcnv 5839 isocnv2 5856 ercnv 6610 ecid 6654 cnvinfex 7079 eqinfti 7081 infvalti 7083 infmoti 7089 dfinfre 8977 pw1nct 15563 |
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