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| Description: Inference from equality to equivalence of membership. |
| Ref | Expression |
|---|---|
| eleq1i.1 |
|
| Ref | Expression |
|---|---|
| eleq2i |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eleq1i.1 |
. 2
| |
| 2 | eleq2 1527 |
. 2
| |
| 3 | 1, 2 | ax-mp 7 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: eleq12i 1531 eleqtr 1538 hbxfr 1555 abeq2i 1562 abeq1i 1563 rabeq2i 1801 elab2g 1891 elrabf 1895 elrab2 1898 elrabsf 1953 elabs2 1954 hbcsb1g 2014 hbcsbg 2016 dfnul2 2272 elsncg 2420 eltp 2429 elunirab 2504 elintrab 2535 exss 2759 elop 2773 opabid 2799 brabg 2807 rabxfr 2892 elsuci 3025 elsucg 3026 elsuc2g 3027 sucid 3041 suceloni 3052 elxp 3192 optocl 3225 opelco 3277 elcnv 3282 opelcnvg 3285 opelres 3356 dfima2 3389 fnopabg 3601 elfv 3707 nfvres 3733 fvopab3 3762 fvopab5 3778 fopabco 3817 fopabcos 3818 fopabap 3826 funfvima 3837 elunirn 3853 tfrlem7 3902 tfrlem9 3904 tfr2 3910 rdgsucopabn 3932 tz7.48-2 3942 eloprabg 3992 ndmoprgOLD 4029 1st2val 4079 2nd2val 4080 eloprabi 4102 el1o 4130 oawordeulem 4172 ereldm 4269 0nelqs 4282 ecelqsdm 4283 ectocl 4286 ecoptocl 4287 brecop 4290 brecop2 4291 eceqopreq 4297 oprec 4302 elpm 4320 brsdom 4363 enssdom 4364 brdom2 4369 map1 4411 pw2en 4426 brsdom2 4441 zfregs 4619 r1tr 4626 tz9.12lem1 4631 tz9.12lem3 4633 rankr1 4646 rankel 4652 rankpw 4656 rankss 4660 rankun 4663 aceq3lem 4704 aceq3 4705 aceq5lem2 4708 aceq5lem3 4709 aceq5lem4 4710 aceq5lem5 4711 ac6lem 4726 cardsdomel 4824 alephon 4837 alephcard 4839 alephnbtwn 4840 alephnbtwn2 4841 alephord2 4848 alephval2 4874 cfub 4880 cardcf 4883 cflecard 4884 cfle 4885 elni 4976 ltpiord 4987 nlt1pi 5005 0npq 5022 0nsr 5160 opelcn 5220 opelreal 5221 elreal 5222 0ncn 5223 addcnsr 5225 mulcnsr 5226 ltxrt 5467 xrlenltt 5473 elxr 5508 peano2nn 5883 elnn0 6048 dfuz 6150 elq 6195 uzrdgval 6239 seq1lem1 6246 seq1suclem 6253 elnnuz 6372 elnn0uz 6373 uzind4i 6386 cvg1i 6857 cvg1 6858 facnnt 6870 cbvsum 6924 efclt 7254 infxpidmlem6 7500 infxpidmlem7 7501 infmap2lem1 7521 alephadd 7524 eltopsp 7546 tpsex 7547 istps 7548 subbas 7586 elcls3 7652 cnpco 7708 ismsg 7739 msflem 7742 blf 7784 lmle 7895 bcthlem4 7936 bcthlem14 7946 issubg 8053 ghgrpilem2 8071 isring 8078 ringi 8079 vci 8104 isvcgOLD 8133 isvclem 8134 0vfval 8163 isnvlem 8167 isnvgOLD 8168 nvi 8173 vsfval 8194 isphg 8407 ishl 8522 efif1lem5 8649 efif1lem7 8651 shftefif1olem 8661 shftefif1olemOLD 8662 effoi 8666 effoiOLD 8667 eff1o 8670 dfhnorm2 8909 hhcmpl 8990 elch0 9047 chocuni 9088 omlsilem 9159 shslej 9253 h1de2ctlem 9394 elspansn 9397 nonbool 9513 spansncv 9514 5oalem2 9517 3oalem2 9525 mayete3 9590 hoco 9607 adjeqt 9775 cnlnssadj 9928 cnvbravalt 9956 dfpjopt 10021 pj3lem1 10044 cdj3lem3 10270 cdj3lem3b 10272 ghomgrpilem2 10291 uninqs 10342 ficli 10368 bsi 10382 fgsb 10444 dtt2 10462 ismgra 10486 isalg 10497 algi 10504 isded 10513 dedi 10514 rdmob 10525 iscat 10531 cati 10532 0ded 10534 0cat 10535 ishoma 10559 idmon 10588 isfuna 10592 ishgrag 10605 hgralem 10606 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-gen 960 ax-17 968 ax-4 970 ax-5o 972 ax-ext 1452 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 978 df-cleq 1462 df-clel 1465 |