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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 1927 |
. 2
|
| 3 | dfcleq 2232 |
. 2
| |
| 4 | 2, 3 | sylibr 134 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-gen 1502 ax-17 1579 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-cleq 2231 |
| This theorem is used by: eqrdav 2237 abbi 2357 eqabdv 2369 csbcomg 3170 csbabg 3209 uneq1 3376 ineq1 3425 difin2 3493 difsn 3852 intmin4 3998 iunconstm 4020 iinconstm 4021 dfiun2g 4044 iindif2m 4080 iinin2m 4081 iunxsng 4088 iunxsngf 4090 iunpw 4628 opthprc 4828 inimasn 5208 dmsnopg 5262 dfco2a 5291 iotaeq 5349 fun11iun 5663 relndmfv 5731 ssimaex 5767 unpreima 5836 respreima 5839 fconstfvm 5936 reldm 6424 suppimacnvfn 6490 suppcofn 6510 suppinisegdc 6513 rntpos 6533 frecsuclem 6682 iserd 6838 erth 6858 ecidg 6878 mapdm0 6942 mapfset 6950 map0e 6972 ixpiinm 7012 pw2f1odclem 7140 fifo 7319 ordiso2 7381 ctssdccl 7457 ctssdc 7459 finacn 7566 pw1if 7590 exmidapne 7632 acnccim 7644 genpassl 7897 genpassu 7898 1idprl 7963 1idpru 7964 sup3exmid 9295 indval0 9306 eqreznegel 10029 iccid 10343 fzsplit2 10471 fzsplit3 10474 fzsn 10488 fzpr 10500 uzsplit 10515 fzoval 10571 infssuzex 10682 frec2uzrand 10862 bitsmod 12747 bitscmp 12749 divsfval 13707 mhmpropd 13831 eqgid 14087 ghmmhmb 14115 ghmpropd 14144 cntzval 14152 resscntz 14165 ablnsg 14227 idjusnfi 14269 gsum2d2fi 14273 opprsubgg 14498 opprunitd 14525 unitpropdg 14563 opprsubrngg 14627 subsubrng2 14631 subrngpropd 14632 subsubrg2 14662 subrgpropd 14669 rhmpropd 14670 ringunitsap0 14702 drnguiap 14717 lssats2 14859 lsspropdg 14876 discld 15379 restsn 15423 restdis 15427 cndis 15484 cnpdis 15485 tx1cn 15512 tx2cn 15513 blpnf 15643 blininf 15667 blres 15677 xmetec 15680 metrest 15749 xmetxpbl 15751 cnbl0 15777 reopnap 15789 bl2ioo 15793 cncfmet 15835 limcdifap 15905 gausslemma2dlem1a 16399 ushgredgedg 16689 ushgredgedgloop 16691 clwwlknun 16904 eupth2lemsfi 16941 |
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