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Mirrors > Home > ILE Home > Th. List > rescnvcnv | Unicode version |
Description: The restriction of the double converse of a class. (Contributed by NM, 8-Apr-2007.) (Proof shortened by Andrew Salmon, 27-Aug-2011.) |
Ref | Expression |
---|---|
rescnvcnv |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cnvcnv2 5097 |
. . 3
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2 | 1 | reseq1i 4918 |
. 2
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3 | resres 4934 |
. 2
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4 | ssv 3192 |
. . . 4
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5 | sseqin2 3369 |
. . . 4
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6 | 4, 5 | mpbi 145 |
. . 3
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7 | 6 | reseq2i 4919 |
. 2
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8 | 2, 3, 7 | 3eqtri 2214 |
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 2163 ax-ext 2171 ax-sep 4136 ax-pow 4189 ax-pr 4224 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-eu 2041 df-mo 2042 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-ral 2473 df-rex 2474 df-v 2754 df-un 3148 df-in 3150 df-ss 3157 df-pw 3592 df-sn 3613 df-pr 3614 df-op 3616 df-br 4019 df-opab 4080 df-xp 4647 df-rel 4648 df-cnv 4649 df-res 4653 |
This theorem is referenced by: cnvcnvres 5107 imacnvcnv 5108 resdm2 5134 resdmres 5135 coires1 5161 cocnvres 5168 f1oresrab 5697 |
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