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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 4888 |
. 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 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-13 2150 ax-14 2151 ax-ext 2159 ax-sep 4119 ax-pow 4172 ax-pr 4207 ax-un 4431 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-rex 2461 df-v 2739 df-un 3133 df-in 3135 df-ss 3142 df-pw 3577 df-sn 3598 df-pr 3599 df-op 3601 df-uni 3809 df-br 4002 df-opab 4063 df-cnv 4632 df-dm 4634 df-rn 4635 |
This theorem is referenced by: ofmres 6132 fo1st 6153 tfrlem8 6314 rdgtfr 6370 rdgruledefgg 6371 rdgon 6382 mapprc 6647 ixpprc 6714 ixpssmap2g 6722 ixpssmapg 6723 bren 6742 brdomg 6743 fundmen 6801 xpassen 6825 mapen 6841 ssenen 6846 hashfacen 10807 shftfval 10821 |
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