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Mirrors > Home > ILE Home > Th. List > ssel | Unicode version |
Description: Membership relationships follow from a subclass relationship. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
ssel |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dfss2 3091 |
. . . . . 6
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2 | 1 | biimpi 119 |
. . . . 5
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3 | 2 | 19.21bi 1538 |
. . . 4
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4 | 3 | anim2d 335 |
. . 3
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5 | 4 | eximdv 1853 |
. 2
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6 | df-clel 2136 |
. 2
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7 | df-clel 2136 |
. 2
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8 | 5, 6, 7 | 3imtr4g 204 |
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 105 ax-ia2 106 ax-ia3 107 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-11 1485 ax-4 1488 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 |
This theorem depends on definitions: df-bi 116 df-nf 1438 df-sb 1737 df-clab 2127 df-cleq 2133 df-clel 2136 df-in 3082 df-ss 3089 |
This theorem is referenced by: ssel2 3097 sseli 3098 sseld 3101 sstr2 3109 nelss 3163 ssrexf 3164 ssralv 3166 ssrexv 3167 ralss 3168 rexss 3169 ssconb 3214 sscon 3215 ssdif 3216 unss1 3250 ssrin 3306 difin2 3343 reuss2 3361 reupick 3365 sssnm 3689 uniss 3765 ss2iun 3836 ssiun 3863 iinss 3872 disjss2 3917 disjss1 3920 pwnss 4091 sspwb 4146 ssopab2b 4206 soss 4244 sucssel 4354 ssorduni 4411 onintonm 4441 onnmin 4491 ssnel 4492 wessep 4500 ssrel 4635 ssrel2 4637 ssrelrel 4647 xpss12 4654 cnvss 4720 dmss 4746 elreldm 4773 dmcosseq 4818 relssres 4865 iss 4873 resopab2 4874 issref 4929 ssrnres 4989 dfco2a 5047 cores 5050 funssres 5173 fununi 5199 funimaexglem 5214 dfimafn 5478 funimass4 5480 funimass3 5544 dff4im 5574 funfvima2 5658 funfvima3 5659 f1elima 5682 riotass2 5764 ssoprab2b 5836 resoprab2 5876 releldm2 6091 reldmtpos 6158 dmtpos 6161 rdgss 6288 ss2ixp 6613 fiintim 6825 negf1o 8168 lbreu 8727 lbinf 8730 eqreznegel 9433 negm 9434 iccsupr 9779 negfi 11031 sumrbdclem 11178 prodrbdclem 11372 metrest 12714 bdop 13244 bj-nnen2lp 13323 exmidsbthrlem 13392 |
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