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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 1861 | . 2 |
3 | dfcleq 2158 | . 2 | |
4 | 2, 3 | sylibr 133 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wb 104 wal 1340 wceq 1342 wcel 2135 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1434 ax-gen 1436 ax-17 1513 ax-ext 2146 |
This theorem depends on definitions: df-bi 116 df-cleq 2157 |
This theorem is referenced by: eqrdav 2163 csbcomg 3063 csbabg 3101 uneq1 3264 ineq1 3311 difin2 3379 difsn 3704 intmin4 3846 iunconstm 3868 iinconstm 3869 dfiun2g 3892 iindif2m 3927 iinin2m 3928 iunxsng 3935 iunxsngf 3937 iunpw 4452 opthprc 4649 inimasn 5015 dmsnopg 5069 dfco2a 5098 iotaeq 5155 fun11iun 5447 ssimaex 5541 unpreima 5604 respreima 5607 fconstfvm 5697 reldm 6146 rntpos 6216 frecsuclem 6365 iserd 6518 erth 6536 ecidg 6556 mapdm0 6620 map0e 6643 ixpiinm 6681 fifo 6936 ordiso2 6991 ctssdccl 7067 ctssdc 7069 genpassl 7456 genpassu 7457 1idprl 7522 1idpru 7523 sup3exmid 8843 eqreznegel 9543 iccid 9852 fzsplit2 9975 fzsn 9991 fzpr 10002 uzsplit 10017 fzoval 10073 frec2uzrand 10330 infssuzex 11867 discld 12683 restsn 12727 restdis 12731 cndis 12788 cnpdis 12789 tx1cn 12816 tx2cn 12817 blpnf 12947 blininf 12971 blres 12981 xmetec 12984 metrest 13053 xmetxpbl 13055 cnbl0 13081 reopnap 13085 bl2ioo 13089 cncfmet 13126 limcdifap 13178 |
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