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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 3173 |
. . . 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 4860 |
. . 3
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5 | 3 | eldm2 4860 |
. . 3
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6 | 2, 4, 5 | 3imtr4g 205 |
. 2
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7 | 6 | ssrdv 3185 |
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 3157 df-in 3159 df-ss 3166 df-sn 3624 df-pr 3625 df-op 3627 df-br 4030 df-dm 4669 |
This theorem is referenced by: dmeq 4862 dmv 4878 rnss 4892 dmiin 4908 dmxpss2 5098 ssxpbm 5101 ssxp1 5102 cocnvres 5190 relrelss 5192 funssxp 5423 fvun1 5623 fndmdif 5663 fneqeql2 5667 tposss 6299 smores 6345 smores2 6347 tfrlemibfn 6381 tfrlemiubacc 6383 tfr1onlembfn 6397 tfr1onlemubacc 6399 tfr1onlemres 6402 tfrcllembfn 6410 tfrcllemubacc 6412 tfrcllemres 6415 frecuzrdgtcl 10483 frecuzrdgdomlem 10488 ennnfonelemex 12571 strleund 12721 strleun 12722 imasaddfnlemg 12897 dvbssntrcntop 14838 |
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