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Mirrors > Home > ILE Home > Th. List > dmss | Unicode version |
Description: Subset theorem for domain. (Contributed by NM, 11-Aug-1994.) |
Ref | Expression |
---|---|
dmss |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssel 3174 |
. . . 4
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2 | 1 | eximdv 1891 |
. . 3
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3 | vex 2763 |
. . . 4
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4 | 3 | eldm2 4861 |
. . 3
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5 | 3 | eldm2 4861 |
. . 3
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6 | 2, 4, 5 | 3imtr4g 205 |
. 2
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7 | 6 | ssrdv 3186 |
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-ext 2175 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-v 2762 df-un 3158 df-in 3160 df-ss 3167 df-sn 3625 df-pr 3626 df-op 3628 df-br 4031 df-dm 4670 |
This theorem is referenced by: dmeq 4863 dmv 4879 rnss 4893 dmiin 4909 dmxpss2 5099 ssxpbm 5102 ssxp1 5103 cocnvres 5191 relrelss 5193 funssxp 5424 fvun1 5624 fndmdif 5664 fneqeql2 5668 tposss 6301 smores 6347 smores2 6349 tfrlemibfn 6383 tfrlemiubacc 6385 tfr1onlembfn 6399 tfr1onlemubacc 6401 tfr1onlemres 6404 tfrcllembfn 6412 tfrcllemubacc 6414 tfrcllemres 6417 frecuzrdgtcl 10486 frecuzrdgdomlem 10491 ennnfonelemex 12574 strleund 12724 strleun 12725 imasaddfnlemg 12900 dvbssntrcntop 14863 |
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