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Mirrors > Home > ILE Home > Th. List > elres | Unicode version |
Description: Membership in a restriction. (Contributed by Scott Fenton, 17-Mar-2011.) |
Ref | Expression |
---|---|
elres |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | relres 4582 |
. . . . 5
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2 | elrel 4385 |
. . . . 5
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3 | 1, 2 | mpan 400 |
. . . 4
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4 | eleq1 2097 |
. . . . . . . . 9
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5 | 4 | biimpd 132 |
. . . . . . . 8
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6 | vex 2554 |
. . . . . . . . . . 11
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7 | 6 | opelres 4560 |
. . . . . . . . . 10
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8 | 7 | biimpi 113 |
. . . . . . . . 9
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9 | 8 | ancomd 254 |
. . . . . . . 8
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10 | 5, 9 | syl6com 31 |
. . . . . . 7
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11 | 10 | ancld 308 |
. . . . . 6
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12 | an12 495 |
. . . . . 6
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13 | 11, 12 | syl6ib 150 |
. . . . 5
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14 | 13 | 2eximdv 1759 |
. . . 4
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15 | 3, 14 | mpd 13 |
. . 3
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16 | rexcom4 2571 |
. . . 4
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17 | df-rex 2306 |
. . . . 5
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18 | 17 | exbii 1493 |
. . . 4
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19 | excom 1551 |
. . . 4
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20 | 16, 18, 19 | 3bitri 195 |
. . 3
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21 | 15, 20 | sylibr 137 |
. 2
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22 | 7 | simplbi2com 1330 |
. . . . . 6
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23 | 4 | biimprd 147 |
. . . . . 6
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24 | 22, 23 | syl9 66 |
. . . . 5
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25 | 24 | impd 242 |
. . . 4
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26 | 25 | exlimdv 1697 |
. . 3
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27 | 26 | rexlimiv 2421 |
. 2
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28 | 21, 27 | impbii 117 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-io 629 ax-5 1333 ax-7 1334 ax-gen 1335 ax-ie1 1379 ax-ie2 1380 ax-8 1392 ax-10 1393 ax-11 1394 ax-i12 1395 ax-bndl 1396 ax-4 1397 ax-14 1402 ax-17 1416 ax-i9 1420 ax-ial 1424 ax-i5r 1425 ax-ext 2019 ax-sep 3866 ax-pow 3918 ax-pr 3935 |
This theorem depends on definitions: df-bi 110 df-3an 886 df-tru 1245 df-nf 1347 df-sb 1643 df-clab 2024 df-cleq 2030 df-clel 2033 df-nfc 2164 df-ral 2305 df-rex 2306 df-v 2553 df-un 2916 df-in 2918 df-ss 2925 df-pw 3353 df-sn 3373 df-pr 3374 df-op 3376 df-opab 3810 df-xp 4294 df-rel 4295 df-res 4300 |
This theorem is referenced by: elsnres 4590 |
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