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Mirrors > Home > ILE Home > Th. List > epini | Unicode version |
Description: Any set is equal to its preimage under the converse epsilon relation. (Contributed by Mario Carneiro, 9-Mar-2013.) |
Ref | Expression |
---|---|
epini.1 |
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Ref | Expression |
---|---|
epini |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | epini.1 |
. . . 4
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2 | vex 2740 |
. . . . 5
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3 | 2 | eliniseg 4996 |
. . . 4
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4 | 1, 3 | ax-mp 5 |
. . 3
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5 | 1 | epelc 4290 |
. . 3
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6 | 4, 5 | bitri 184 |
. 2
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7 | 6 | eqriv 2174 |
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 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-14 2151 ax-ext 2159 ax-sep 4120 ax-pow 4173 ax-pr 4208 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ral 2460 df-rex 2461 df-v 2739 df-sbc 2963 df-un 3133 df-in 3135 df-ss 3142 df-pw 3577 df-sn 3598 df-pr 3599 df-op 3601 df-br 4003 df-opab 4064 df-eprel 4288 df-xp 4631 df-cnv 4633 df-dm 4635 df-rn 4636 df-res 4637 df-ima 4638 |
This theorem is referenced by: (None) |
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