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| Description: Membership relationships follow from a subclass relationship. |
| Ref | Expression |
|---|---|
| ssel2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssel 2061 |
. 2
| |
| 2 | 1 | imp 350 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: tz7.7 2970 onnmin 3012 onmindif 3057 onmindif2 3058 ordunisssuc 3080 limsssuc 3118 ssimaex 3765 1st2nd 4105 fundmen 4422 isfinite2 4536 suplem2pr 5149 axsup 5494 lbinfm 6009 suprleub 6020 dfinfmr 6028 infmrcl 6030 xrsupsslem 6037 xrinfmsslem 6038 xrub 6041 supxr2 6043 supxrre 6044 supxrun 6046 supxrunb1 6050 supxrbnd 6052 supxrbnd1 6056 supxrbnd2 6057 supxrub 6059 supxrleub 6060 uzwo4OLD 6172 shftf 6306 uzwo 6405 uzwoOLD 6406 sumeqfv 6965 infxpidmlem5 7535 infxpidmlem7 7537 infxpidmlem8 7538 tgclt 7603 fctop 7629 cctop 7631 neips 7706 isopn4 7845 opni3 7849 opnuni 7851 lpbl 7863 metcnplem 7869 metelcls 7948 ubthlem11 8523 ocsh 9144 ocorth 9152 spansncv 9587 spansncvOLD 9588 pjss1co 10082 sumdmdi 10333 efilcp 10539 efilcp2 10544 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 961 ax-gen 962 ax-8 963 ax-10 965 ax-12 967 ax-17 970 ax-4 972 ax-5o 974 ax-6o 977 ax-9o 1122 ax-10o 1139 ax-16 1210 ax-11o 1218 ax-ext 1459 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 980 df-sb 1172 df-clab 1464 df-cleq 1469 df-clel 1472 df-in 2049 df-ss 2051 |