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Mirrors > Home > ILE Home > Th. List > fnres | Unicode version |
Description: An equivalence for functionality of a restriction. Compare dffun8 5282. (Contributed by Mario Carneiro, 20-May-2015.) |
Ref | Expression |
---|---|
fnres |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ancom 266 |
. . 3
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2 | vex 2763 |
. . . . . . . . . 10
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3 | 2 | brres 4948 |
. . . . . . . . 9
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4 | ancom 266 |
. . . . . . . . 9
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5 | 3, 4 | bitri 184 |
. . . . . . . 8
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6 | 5 | mobii 2079 |
. . . . . . 7
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7 | moanimv 2117 |
. . . . . . 7
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8 | 6, 7 | bitri 184 |
. . . . . 6
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9 | 8 | albii 1481 |
. . . . 5
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10 | relres 4970 |
. . . . . 6
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11 | dffun6 5268 |
. . . . . 6
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12 | 10, 11 | mpbiran 942 |
. . . . 5
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13 | df-ral 2477 |
. . . . 5
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14 | 9, 12, 13 | 3bitr4i 212 |
. . . 4
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15 | dmres 4963 |
. . . . . . 7
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16 | inss1 3379 |
. . . . . . 7
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17 | 15, 16 | eqsstri 3211 |
. . . . . 6
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18 | eqss 3194 |
. . . . . 6
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19 | 17, 18 | mpbiran 942 |
. . . . 5
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20 | dfss3 3169 |
. . . . . 6
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21 | 15 | elin2 3347 |
. . . . . . . . 9
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22 | 21 | baib 920 |
. . . . . . . 8
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23 | vex 2763 |
. . . . . . . . 9
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24 | 23 | eldm 4859 |
. . . . . . . 8
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25 | 22, 24 | bitrdi 196 |
. . . . . . 7
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26 | 25 | ralbiia 2508 |
. . . . . 6
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27 | 20, 26 | bitri 184 |
. . . . 5
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28 | 19, 27 | bitri 184 |
. . . 4
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29 | 14, 28 | anbi12i 460 |
. . 3
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30 | r19.26 2620 |
. . 3
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31 | 1, 29, 30 | 3bitr4i 212 |
. 2
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32 | df-fn 5257 |
. 2
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33 | eu5 2089 |
. . 3
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34 | 33 | ralbii 2500 |
. 2
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35 | 31, 32, 34 | 3bitr4i 212 |
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 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-v 2762 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-br 4030 df-opab 4091 df-id 4324 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-res 4671 df-fun 5256 df-fn 5257 |
This theorem is referenced by: f1ompt 5709 |
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