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| Mirrors > Home > ILE Home > Th. List > eqrdv | Unicode version | ||
| Description: Deduce equality of classes from equivalence of membership. (Contributed by NM, 17-Mar-1996.) |
| Ref | Expression |
|---|---|
| eqrdv.1 |
|
| Ref | Expression |
|---|---|
| eqrdv |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqrdv.1 |
. . 3
| |
| 2 | 1 | alrimiv 1923 |
. 2
|
| 3 | dfcleq 2226 |
. 2
| |
| 4 | 2, 3 | sylibr 134 |
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-gen 1498 ax-17 1575 ax-ext 2214 |
| This theorem depends on definitions: df-bi 117 df-cleq 2225 |
| This theorem is referenced by: eqrdav 2231 abbi 2351 eqabdv 2363 csbcomg 3161 csbabg 3200 uneq1 3366 ineq1 3415 difin2 3483 difsn 3831 intmin4 3977 iunconstm 3999 iinconstm 4000 dfiun2g 4023 iindif2m 4059 iinin2m 4060 iunxsng 4067 iunxsngf 4069 iunpw 4601 opthprc 4801 inimasn 5180 dmsnopg 5234 dfco2a 5263 iotaeq 5321 fun11iun 5635 ssimaex 5738 unpreima 5802 respreima 5805 fconstfvm 5902 reldm 6380 suppimacnvfn 6446 suppcofn 6466 rntpos 6488 frecsuclem 6637 iserd 6793 erth 6813 ecidg 6833 mapdm0 6897 map0e 6920 ixpiinm 6959 pw2f1odclem 7087 fifo 7267 ordiso2 7326 ctssdccl 7402 ctssdc 7404 finacn 7511 pw1if 7535 exmidapne 7574 acnccim 7586 genpassl 7839 genpassu 7840 1idprl 7905 1idpru 7906 sup3exmid 9231 eqreznegel 9946 iccid 10258 fzsplit2 10384 fzsn 10400 fzpr 10411 uzsplit 10426 fzoval 10482 infssuzex 10593 frec2uzrand 10767 bitsmod 12642 bitscmp 12644 divsfval 13541 mhmpropd 13679 eqgid 13943 ghmmhmb 13971 ghmpropd 14000 ablnsg 14051 opprsubgg 14228 opprunitd 14255 unitpropdg 14293 opprsubrngg 14356 subsubrng2 14360 subrngpropd 14361 subsubrg2 14391 subrgpropd 14398 rhmpropd 14399 lssats2 14562 lsspropdg 14579 discld 15001 restsn 15045 restdis 15049 cndis 15106 cnpdis 15107 tx1cn 15134 tx2cn 15135 blpnf 15265 blininf 15289 blres 15299 xmetec 15302 metrest 15371 xmetxpbl 15373 cnbl0 15399 reopnap 15411 bl2ioo 15415 cncfmet 15457 limcdifap 15527 gausslemma2dlem1a 15931 ushgredgedg 16221 ushgredgedgloop 16223 clwwlknun 16436 eupth2lemsfi 16473 |
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