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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 2605 |
. . . . 5
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2 | 1 | eldm2 4555 |
. . . 4
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3 | 19.41v 1824 |
. . . . 5
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4 | vex 2605 |
. . . . . . 7
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5 | 4 | opelres 4639 |
. . . . . 6
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6 | 5 | exbii 1537 |
. . . . 5
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7 | 1 | eldm2 4555 |
. . . . . 6
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8 | 7 | anbi1i 446 |
. . . . 5
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9 | 3, 6, 8 | 3bitr4i 210 |
. . . 4
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10 | 2, 9 | bitr2i 183 |
. . 3
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11 | 10 | ineqri 3160 |
. 2
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12 | incom 3159 |
. 2
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13 | 11, 12 | eqtr3i 2104 |
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 663 ax-5 1377 ax-7 1378 ax-gen 1379 ax-ie1 1423 ax-ie2 1424 ax-8 1436 ax-10 1437 ax-11 1438 ax-i12 1439 ax-bndl 1440 ax-4 1441 ax-14 1446 ax-17 1460 ax-i9 1464 ax-ial 1468 ax-i5r 1469 ax-ext 2064 ax-sep 3898 ax-pow 3950 ax-pr 3966 |
This theorem depends on definitions: df-bi 115 df-3an 922 df-tru 1288 df-nf 1391 df-sb 1687 df-clab 2069 df-cleq 2075 df-clel 2078 df-nfc 2209 df-ral 2354 df-rex 2355 df-v 2604 df-un 2978 df-in 2980 df-ss 2987 df-pw 3386 df-sn 3406 df-pr 3407 df-op 3409 df-br 3788 df-opab 3842 df-xp 4371 df-dm 4375 df-res 4377 |
This theorem is referenced by: ssdmres 4655 dmresexg 4656 imadisj 4711 ndmima 4726 imainrect 4790 dmresv 4803 resdmres 4836 funimacnv 5000 fnresdisj 5034 fnres 5040 ssimaex 5260 fnreseql 5303 respreima 5321 ffvresb 5354 fsnunfv 5389 funfvima 5416 offres 5787 smores 5935 smores3 5936 smores2 5937 fnfi 6436 dmaddpi 6566 dmmulpi 6567 |
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