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Mirrors > Home > ILE Home > Th. List > dmex | Unicode version |
Description: The domain of a set is a set. Corollary 6.8(2) of [TakeutiZaring] p. 26. (Contributed by NM, 7-Jul-2008.) |
Ref | Expression |
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dmex.1 |
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Ref | Expression |
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dmex |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dmex.1 |
. 2
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2 | dmexg 4903 |
. 2
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3 | 1, 2 | ax-mp 5 |
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 1457 ax-7 1458 ax-gen 1459 ax-ie1 1503 ax-ie2 1504 ax-8 1514 ax-10 1515 ax-11 1516 ax-i12 1517 ax-bndl 1519 ax-4 1520 ax-17 1536 ax-i9 1540 ax-ial 1544 ax-i5r 1545 ax-13 2160 ax-14 2161 ax-ext 2169 ax-sep 4133 ax-pow 4186 ax-pr 4221 ax-un 4445 |
This theorem depends on definitions: df-bi 117 df-3an 981 df-tru 1366 df-nf 1471 df-sb 1773 df-eu 2039 df-mo 2040 df-clab 2174 df-cleq 2180 df-clel 2183 df-nfc 2318 df-rex 2471 df-v 2751 df-un 3145 df-in 3147 df-ss 3154 df-pw 3589 df-sn 3610 df-pr 3611 df-op 3613 df-uni 3822 df-br 4016 df-opab 4077 df-cnv 4646 df-dm 4648 df-rn 4649 |
This theorem is referenced by: ofmres 6150 fo1st 6171 tfrlem8 6332 rdgtfr 6388 rdgruledefgg 6389 rdgon 6400 mapprc 6665 ixpprc 6732 ixpssmap2g 6740 ixpssmapg 6741 bren 6760 brdomg 6761 fundmen 6819 xpassen 6843 mapen 6859 ssenen 6864 hashfacen 10829 shftfval 10843 |
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