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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 3252 |
. 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 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-11 1555 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-in 3207 df-ss 3214 |
| This theorem is referenced by: sseq12d 3259 sseqtrd 3266 exmidsssn 4298 exmidsssnc 4299 onsucsssucexmid 4631 sbcrel 4818 funimass2 5415 fnco 5447 fnssresb 5451 fnimaeq0 5461 foimacnv 5610 fvelimab 5711 ssimaexg 5717 fvmptss2 5730 rdgss 6592 tapeq2 7515 fzowrddc 11277 swrdnd 11289 swrd0g 11290 summodclem2 12006 summodc 12007 zsumdc 12008 fsum3cvg3 12020 prodmodclem2 12201 prodmodc 12202 zproddc 12203 ennnfoneleminc 13095 tgval 13408 prdsval 13419 releqgg 13870 eqgex 13871 eqgfval 13872 opprsubgg 14161 unitsubm 14197 subrngpropd 14294 subrgsubm 14312 issubrg3 14325 subrgpropd 14331 lsslss 14460 lsspropdg 14510 islidlm 14558 rspcl 14570 rspssid 14571 isbasisg 14838 tgss3 14872 restbasg 14962 tgrest 14963 restopn2 14977 cnpnei 15013 cnptopresti 15032 txbas 15052 elmopn 15240 neibl 15285 dvfgg 15482 incistruhgr 16014 edgssv2en 16123 wksfval 16246 |
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