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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 4926 |
. 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 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 ax-un 4464 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-rex 2478 df-v 2762 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-br 4030 df-opab 4091 df-cnv 4667 df-dm 4669 df-rn 4670 |
This theorem is referenced by: ofmres 6188 fo1st 6210 tfrlem8 6371 rdgtfr 6427 rdgruledefgg 6428 rdgon 6439 mapprc 6706 ixpprc 6773 ixpssmap2g 6781 ixpssmapg 6782 bren 6801 brdomg 6802 fundmen 6860 xpassen 6884 mapen 6902 ssenen 6907 hashfacen 10907 shftfval 10965 |
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