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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 6549 tapeq2 7472 fzowrddc 11232 swrdnd 11244 swrd0g 11245 summodclem2 11961 summodc 11962 zsumdc 11963 fsum3cvg3 11975 prodmodclem2 12156 prodmodc 12157 zproddc 12158 ennnfoneleminc 13050 tgval 13363 prdsval 13374 releqgg 13825 eqgex 13826 eqgfval 13827 opprsubgg 14116 unitsubm 14152 subrngpropd 14249 subrgsubm 14267 issubrg3 14280 subrgpropd 14286 lsslss 14414 lsspropdg 14464 islidlm 14512 rspcl 14524 rspssid 14525 isbasisg 14787 tgss3 14821 restbasg 14911 tgrest 14912 restopn2 14926 cnpnei 14962 cnptopresti 14981 txbas 15001 elmopn 15189 neibl 15234 dvfgg 15431 incistruhgr 15960 edgssv2en 16069 wksfval 16192 |
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