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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 3262 |
. 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 2214 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-in 3217 df-ss 3224 |
| This theorem is referenced by: sseq12d 3269 sseqtrd 3276 exmidsssn 4315 exmidsssnc 4316 onsucsssucexmid 4649 sbcrel 4836 funimass2 5434 fnco 5466 fnssresb 5470 fnimaeq0 5480 foimacnv 5632 fvelimab 5733 ssimaexg 5739 fvmptss2 5752 rdgss 6614 tapeq2 7567 fzowrddc 11339 swrdnd 11351 swrd0g 11352 summodclem2 12068 summodc 12069 zsumdc 12070 fsum3cvg3 12082 prodmodclem2 12263 prodmodc 12264 zproddc 12265 ennnfoneleminc 13162 tgval 13475 prdsval 13486 releqgg 13937 eqgex 13938 eqgfval 13939 opprsubgg 14228 unitsubm 14264 subrngpropd 14361 subrgsubm 14379 issubrg3 14392 subrgpropd 14398 lsslss 14529 lsspropdg 14579 islidlm 14627 rspcl 14639 rspssid 14640 isbasisg 14909 tgss3 14943 restbasg 15033 tgrest 15034 restopn2 15048 cnpnei 15084 cnptopresti 15103 txbas 15123 elmopn 15311 neibl 15356 dvfgg 15553 incistruhgr 16085 edgssv2en 16194 wksfval 16317 |
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