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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 1922 |
. 2
|
| 3 | dfcleq 2225 |
. 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 1495 ax-gen 1497 ax-17 1574 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-cleq 2224 |
| This theorem is referenced by: eqrdav 2230 eqabdv 2360 csbcomg 3150 csbabg 3189 uneq1 3354 ineq1 3401 difin2 3469 difsn 3810 intmin4 3956 iunconstm 3978 iinconstm 3979 dfiun2g 4002 iindif2m 4038 iinin2m 4039 iunxsng 4046 iunxsngf 4048 iunpw 4577 opthprc 4777 inimasn 5154 dmsnopg 5208 dfco2a 5237 iotaeq 5295 fun11iun 5604 ssimaex 5707 unpreima 5772 respreima 5775 fconstfvm 5872 reldm 6349 rntpos 6423 frecsuclem 6572 iserd 6728 erth 6748 ecidg 6768 mapdm0 6832 map0e 6855 ixpiinm 6893 pw2f1odclem 7020 fifo 7179 ordiso2 7234 ctssdccl 7310 ctssdc 7312 finacn 7419 pw1if 7443 exmidapne 7479 acnccim 7491 genpassl 7744 genpassu 7745 1idprl 7810 1idpru 7811 sup3exmid 9137 eqreznegel 9848 iccid 10160 fzsplit2 10285 fzsn 10301 fzpr 10312 uzsplit 10327 fzoval 10383 infssuzex 10494 frec2uzrand 10668 bitsmod 12535 bitscmp 12537 divsfval 13429 mhmpropd 13567 eqgid 13831 ghmmhmb 13859 ghmpropd 13888 ablnsg 13939 opprsubgg 14116 opprunitd 14143 unitpropdg 14181 opprsubrngg 14244 subsubrng2 14248 subrngpropd 14249 subsubrg2 14279 subrgpropd 14286 rhmpropd 14287 lssats2 14447 lsspropdg 14464 discld 14879 restsn 14923 restdis 14927 cndis 14984 cnpdis 14985 tx1cn 15012 tx2cn 15013 blpnf 15143 blininf 15167 blres 15177 xmetec 15180 metrest 15249 xmetxpbl 15251 cnbl0 15277 reopnap 15289 bl2ioo 15293 cncfmet 15335 limcdifap 15405 gausslemma2dlem1a 15806 ushgredgedg 16096 ushgredgedgloop 16098 clwwlknun 16311 eupth2lemsfi 16348 |
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