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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 3272 |
. 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 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-11 1559 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-in 3226 df-ss 3233 |
| This theorem is referenced by: sseq12d 3279 sseqtrd 3286 exmidsssn 4334 exmidsssnc 4335 onsucsssucexmid 4669 sbcrel 4856 funimass2 5454 fnco 5486 fnssresb 5490 fnimaeq0 5500 foimacnv 5652 fvelimab 5753 ssimaexg 5759 fvmptss2 5774 rdgss 6644 papeq2 7600 tapeq2 7609 fzowrddc 11397 swrdnd 11409 swrd0g 11410 summodclem2 12127 summodc 12128 zsumdc 12129 fsum3cvg3 12141 prodmodclem2 12322 prodmodc 12323 zproddc 12324 ennnfoneleminc 13280 tgval 13593 releqgg 14000 eqgex 14001 eqgfval 14002 prdsval 14150 opprsubgg 14363 unitsubm 14399 subrngpropd 14497 subrgsubm 14515 issubrg3 14528 subrgpropd 14534 lsslss 14690 lsspropdg 14740 islidlm 14788 rspcl 14800 rspssid 14801 isbasisg 15068 tgss3 15102 restbasg 15192 tgrest 15193 restopn2 15207 cnpnei 15243 cnptopresti 15262 txbas 15282 elmopn 15470 neibl 15515 dvfgg 15712 incistruhgr 16245 edgssv2en 16354 wksfval 16477 |
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