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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 7222 ordiso2 7277 ctssdccl 7353 ctssdc 7355 finacn 7462 pw1if 7486 exmidapne 7522 acnccim 7534 genpassl 7787 genpassu 7788 1idprl 7853 1idpru 7854 sup3exmid 9179 eqreznegel 9892 iccid 10204 fzsplit2 10330 fzsn 10346 fzpr 10357 uzsplit 10372 fzoval 10428 infssuzex 10539 frec2uzrand 10713 bitsmod 12580 bitscmp 12582 divsfval 13474 mhmpropd 13612 eqgid 13876 ghmmhmb 13904 ghmpropd 13933 ablnsg 13984 opprsubgg 14161 opprunitd 14188 unitpropdg 14226 opprsubrngg 14289 subsubrng2 14293 subrngpropd 14294 subsubrg2 14324 subrgpropd 14331 rhmpropd 14332 lssats2 14493 lsspropdg 14510 discld 14930 restsn 14974 restdis 14978 cndis 15035 cnpdis 15036 tx1cn 15063 tx2cn 15064 blpnf 15194 blininf 15218 blres 15228 xmetec 15231 metrest 15300 xmetxpbl 15302 cnbl0 15328 reopnap 15340 bl2ioo 15344 cncfmet 15386 limcdifap 15456 gausslemma2dlem1a 15860 ushgredgedg 16150 ushgredgedgloop 16152 clwwlknun 16365 eupth2lemsfi 16402 |
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