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| Mirrors > Home > ILE Home > Th. List > sseq2d | Unicode version | ||
| Description: An equality deduction for the subclass relationship. (Contributed by NM, 14-Aug-1994.) |
| Ref | Expression |
|---|---|
| sseq1d.1 |
|
| Ref | Expression |
|---|---|
| sseq2d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sseq1d.1 |
. 2
| |
| 2 | sseq2 3251 |
. 2
| |
| 3 | 1, 2 | syl 14 |
1
|
| 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-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-11 1554 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-in 3206 df-ss 3213 |
| This theorem is referenced by: sseq12d 3258 sseqtrd 3265 exmidsssn 4292 exmidsssnc 4293 onsucsssucexmid 4625 sbcrel 4812 funimass2 5408 fnco 5440 fnssresb 5444 fnimaeq0 5454 foimacnv 5601 fvelimab 5702 ssimaexg 5708 fvmptss2 5721 rdgss 6548 tapeq2 7471 fzowrddc 11227 swrdnd 11239 swrd0g 11240 summodclem2 11942 summodc 11943 zsumdc 11944 fsum3cvg3 11956 prodmodclem2 12137 prodmodc 12138 zproddc 12139 ennnfoneleminc 13031 tgval 13344 prdsval 13355 releqgg 13806 eqgex 13807 eqgfval 13808 opprsubgg 14096 unitsubm 14132 subrngpropd 14229 subrgsubm 14247 issubrg3 14260 subrgpropd 14266 lsslss 14394 lsspropdg 14444 islidlm 14492 rspcl 14504 rspssid 14505 isbasisg 14767 tgss3 14801 restbasg 14891 tgrest 14892 restopn2 14906 cnpnei 14942 cnptopresti 14961 txbas 14981 elmopn 15169 neibl 15214 dvfgg 15411 incistruhgr 15940 edgssv2en 16049 wksfval 16172 |
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