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Mirrors > Home > ILE Home > Th. List > dmres | Unicode version |
Description: The domain of a restriction. Exercise 14 of [TakeutiZaring] p. 25. (Contributed by NM, 1-Aug-1994.) |
Ref | Expression |
---|---|
dmres |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | vex 2692 |
. . . . 5
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2 | 1 | eldm2 4745 |
. . . 4
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3 | 19.41v 1875 |
. . . . 5
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4 | vex 2692 |
. . . . . . 7
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5 | 4 | opelres 4832 |
. . . . . 6
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6 | 5 | exbii 1585 |
. . . . 5
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7 | 1 | eldm2 4745 |
. . . . . 6
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8 | 7 | anbi1i 454 |
. . . . 5
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9 | 3, 6, 8 | 3bitr4i 211 |
. . . 4
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10 | 2, 9 | bitr2i 184 |
. . 3
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11 | 10 | ineqri 3274 |
. 2
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12 | incom 3273 |
. 2
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13 | 11, 12 | eqtr3i 2163 |
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 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-14 1493 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 ax-sep 4054 ax-pow 4106 ax-pr 4139 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1335 df-nf 1438 df-sb 1737 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-ral 2422 df-rex 2423 df-v 2691 df-un 3080 df-in 3082 df-ss 3089 df-pw 3517 df-sn 3538 df-pr 3539 df-op 3541 df-br 3938 df-opab 3998 df-xp 4553 df-dm 4557 df-res 4559 |
This theorem is referenced by: ssdmres 4849 dmresexg 4850 imadisj 4909 ndmima 4924 imainrect 4992 dmresv 5005 resdmres 5038 funimacnv 5207 fnresdisj 5241 fnres 5247 ssimaex 5490 fnreseql 5538 respreima 5556 ffvresb 5591 fsnunfv 5629 funfvima 5657 offres 6041 smores 6197 smores3 6198 smores2 6199 fnfi 6833 sbthlemi5 6857 sbthlem7 6859 dmaddpi 7157 dmmulpi 7158 fvsetsid 12032 setsfun 12033 setsfun0 12034 setsresg 12036 lmres 12456 metreslem 12588 |
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