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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 1496 ax-gen 1498 ax-17 1575 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-cleq 2224 |
| This theorem is referenced by: eqrdav 2230 eqabdv 2361 csbcomg 3151 csbabg 3190 uneq1 3356 ineq1 3403 difin2 3471 difsn 3815 intmin4 3961 iunconstm 3983 iinconstm 3984 dfiun2g 4007 iindif2m 4043 iinin2m 4044 iunxsng 4051 iunxsngf 4053 iunpw 4583 opthprc 4783 inimasn 5161 dmsnopg 5215 dfco2a 5244 iotaeq 5302 fun11iun 5613 ssimaex 5716 unpreima 5780 respreima 5783 fconstfvm 5880 reldm 6358 suppimacnvfn 6424 suppcofn 6444 rntpos 6466 frecsuclem 6615 iserd 6771 erth 6791 ecidg 6811 mapdm0 6875 map0e 6898 ixpiinm 6936 pw2f1odclem 7063 fifo 7239 ordiso2 7294 ctssdccl 7370 ctssdc 7372 finacn 7479 pw1if 7503 exmidapne 7539 acnccim 7551 genpassl 7804 genpassu 7805 1idprl 7870 1idpru 7871 sup3exmid 9196 eqreznegel 9909 iccid 10221 fzsplit2 10347 fzsn 10363 fzpr 10374 uzsplit 10389 fzoval 10445 infssuzex 10556 frec2uzrand 10730 bitsmod 12597 bitscmp 12599 divsfval 13491 mhmpropd 13629 eqgid 13893 ghmmhmb 13921 ghmpropd 13950 ablnsg 14001 opprsubgg 14178 opprunitd 14205 unitpropdg 14243 opprsubrngg 14306 subsubrng2 14310 subrngpropd 14311 subsubrg2 14341 subrgpropd 14348 rhmpropd 14349 lssats2 14510 lsspropdg 14527 discld 14947 restsn 14991 restdis 14995 cndis 15052 cnpdis 15053 tx1cn 15080 tx2cn 15081 blpnf 15211 blininf 15235 blres 15245 xmetec 15248 metrest 15317 xmetxpbl 15319 cnbl0 15345 reopnap 15357 bl2ioo 15361 cncfmet 15403 limcdifap 15473 gausslemma2dlem1a 15877 ushgredgedg 16167 ushgredgedgloop 16169 clwwlknun 16382 eupth2lemsfi 16419 |
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