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Mirrors > Home > ILE Home > Th. List > fnres | Unicode version |
Description: An equivalence for functionality of a restriction. Compare dffun8 4949. (Contributed by Mario Carneiro, 20-May-2015.) |
Ref | Expression |
---|---|
fnres |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ancom 262 |
. . 3
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2 | vex 2604 |
. . . . . . . . . 10
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3 | 2 | brres 4636 |
. . . . . . . . 9
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4 | ancom 262 |
. . . . . . . . 9
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5 | 3, 4 | bitri 182 |
. . . . . . . 8
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6 | 5 | mobii 1978 |
. . . . . . 7
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7 | moanimv 2016 |
. . . . . . 7
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8 | 6, 7 | bitri 182 |
. . . . . 6
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9 | 8 | albii 1399 |
. . . . 5
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10 | relres 4657 |
. . . . . 6
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11 | dffun6 4936 |
. . . . . 6
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12 | 10, 11 | mpbiran 881 |
. . . . 5
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13 | df-ral 2353 |
. . . . 5
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14 | 9, 12, 13 | 3bitr4i 210 |
. . . 4
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15 | dmres 4650 |
. . . . . . 7
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16 | inss1 3186 |
. . . . . . 7
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17 | 15, 16 | eqsstri 3029 |
. . . . . 6
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18 | eqss 3014 |
. . . . . 6
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19 | 17, 18 | mpbiran 881 |
. . . . 5
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20 | dfss3 2989 |
. . . . . 6
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21 | 15 | elin2 3156 |
. . . . . . . . 9
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22 | 21 | baib 861 |
. . . . . . . 8
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23 | vex 2604 |
. . . . . . . . 9
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24 | 23 | eldm 4550 |
. . . . . . . 8
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25 | 22, 24 | syl6bb 194 |
. . . . . . 7
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26 | 25 | ralbiia 2380 |
. . . . . 6
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27 | 20, 26 | bitri 182 |
. . . . 5
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28 | 19, 27 | bitri 182 |
. . . 4
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29 | 14, 28 | anbi12i 447 |
. . 3
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30 | r19.26 2485 |
. . 3
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31 | 1, 29, 30 | 3bitr4i 210 |
. 2
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32 | df-fn 4925 |
. 2
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33 | eu5 1988 |
. . 3
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34 | 33 | ralbii 2372 |
. 2
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35 | 31, 32, 34 | 3bitr4i 210 |
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 104 ax-ia2 105 ax-ia3 106 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-sep 3896 ax-pow 3948 ax-pr 3964 |
This theorem depends on definitions: df-bi 115 df-3an 921 df-tru 1287 df-nf 1390 df-sb 1686 df-eu 1944 df-mo 1945 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ral 2353 df-rex 2354 df-v 2603 df-un 2977 df-in 2979 df-ss 2986 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-br 3786 df-opab 3840 df-id 4048 df-xp 4369 df-rel 4370 df-cnv 4371 df-co 4372 df-dm 4373 df-res 4375 df-fun 4924 df-fn 4925 |
This theorem is referenced by: f1ompt 5341 |
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