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Mirrors > Home > MPE Home > Th. List > funssres | Structured version Visualization version Unicode version |
Description: The restriction of a function to the domain of a subclass equals the subclass. (Contributed by NM, 15-Aug-1994.) |
Ref | Expression |
---|---|
funssres |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssel 3597 |
. . . . . . 7
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2 | vex 3203 |
. . . . . . . . 9
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3 | vex 3203 |
. . . . . . . . 9
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4 | 2, 3 | opeldm 5328 |
. . . . . . . 8
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5 | 4 | a1i 11 |
. . . . . . 7
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6 | 1, 5 | jcad 555 |
. . . . . 6
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7 | 6 | adantl 482 |
. . . . 5
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8 | funeu2 5914 |
. . . . . . . . . . . 12
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9 | 2 | eldm2 5322 |
. . . . . . . . . . . . . 14
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10 | 1 | ancrd 577 |
. . . . . . . . . . . . . . 15
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11 | 10 | eximdv 1846 |
. . . . . . . . . . . . . 14
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12 | 9, 11 | syl5bi 232 |
. . . . . . . . . . . . 13
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13 | 12 | imp 445 |
. . . . . . . . . . . 12
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14 | eupick 2536 |
. . . . . . . . . . . 12
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15 | 8, 13, 14 | syl2an 494 |
. . . . . . . . . . 11
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16 | 15 | exp43 640 |
. . . . . . . . . 10
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17 | 16 | com23 86 |
. . . . . . . . 9
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18 | 17 | imp 445 |
. . . . . . . 8
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19 | 18 | com34 91 |
. . . . . . 7
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20 | 19 | pm2.43d 53 |
. . . . . 6
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21 | 20 | impd 447 |
. . . . 5
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22 | 7, 21 | impbid 202 |
. . . 4
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23 | 3 | opelres 5401 |
. . . 4
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24 | 22, 23 | syl6rbbr 279 |
. . 3
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25 | 24 | alrimivv 1856 |
. 2
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26 | relres 5426 |
. . 3
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27 | funrel 5905 |
. . . 4
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28 | relss 5206 |
. . . 4
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29 | 27, 28 | mpan9 486 |
. . 3
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30 | eqrel 5209 |
. . 3
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31 | 26, 29, 30 | sylancr 695 |
. 2
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32 | 25, 31 | mpbird 247 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-br 4654 df-opab 4713 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-res 5126 df-fun 5890 |
This theorem is referenced by: fun2ssres 5931 funcnvres 5967 f1ssf1 6168 funssfv 6209 oprssov 6803 isngp2 22401 dvres3 23677 dvres3a 23678 dchrelbas2 24962 issubgr2 26164 uhgrissubgr 26167 funpsstri 31663 funsseq 31666 |
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