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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 4820 |
. 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 1457 ax-7 1458 ax-gen 1459 ax-ie1 1503 ax-ie2 1504 ax-8 1514 ax-10 1515 ax-11 1516 ax-i12 1517 ax-bndl 1519 ax-4 1520 ax-17 1536 ax-i9 1540 ax-ial 1544 ax-i5r 1545 ax-14 2161 ax-ext 2169 ax-sep 4133 ax-pow 4186 ax-pr 4221 |
This theorem depends on definitions: df-bi 117 df-3an 981 df-tru 1366 df-nf 1471 df-sb 1773 df-eu 2039 df-mo 2040 df-clab 2174 df-cleq 2180 df-clel 2183 df-nfc 2318 df-v 2751 df-un 3145 df-in 3147 df-ss 3154 df-pw 3589 df-sn 3610 df-pr 3611 df-op 3613 df-br 4016 df-opab 4077 df-cnv 4646 |
This theorem is referenced by: cnvco 4824 dfrn2 4827 dfdm4 4831 cnvsym 5024 intasym 5025 asymref 5026 qfto 5030 dminss 5055 imainss 5056 dminxp 5085 cnvcnv3 5090 cnvpom 5183 cnvsom 5184 dffun2 5238 funcnvsn 5273 funcnv2 5288 funcnveq 5291 fun2cnv 5292 imadif 5308 f1ompt 5680 f1eqcocnv 5805 fliftcnv 5809 isocnv2 5826 ercnv 6570 ecid 6612 cnvinfex 7031 eqinfti 7033 infvalti 7035 infmoti 7041 dfinfre 8927 pw1nct 15106 |
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