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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 1572 |
. 2
| |
| 3 | 1, 2 | ax-mp 7 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: eleq12i 1576 eleqtri 1583 hbxfr 1600 abeq2i 1607 abeq1i 1608 rabeq2i 1848 elab2g 1938 elrabf 1942 elrab2 1945 elrabsf 2003 elabs2 2004 hbcsb1g 2067 hbcsbg 2069 dfnul2 2326 elsncg 2475 eltp 2484 elunirab 2562 elintrab 2593 exss 2822 elop 2836 opabid 2863 brabg 2871 opelopabf 2875 rabxfr 2957 elsuci 3090 elsucg 3091 elsuc2g 3092 sucid 3106 suceloni 3117 elxp 3257 optocl 3294 opelco 3351 elcnv 3357 opelcnvg 3360 opelres 3432 dfima2 3468 dfco3OLD 3569 dfco2a 3570 dfco4OLD 3571 fnopabg 3690 elfv 3798 nfvres 3824 fvopab3 3853 fvopab5 3869 fopabco 3908 fopabcos 3909 fopabap 3917 funfvima 3928 elunirn 3944 tfrlem7 3993 tfrlem9 3995 tfr2 4001 rdgsucopabn 4023 tz7.48-2 4033 eloprabg 4084 1st2val 4175 2nd2val 4176 eloprabi 4198 el1o 4230 oawordeulem 4272 ereldm 4370 0nelqs 4385 ecelqsdm 4386 ectocl 4389 ecoptocl 4390 brecop 4393 brecop2 4394 eceqopreq 4400 oprec 4405 elpm 4423 brsdom 4468 isfi 4469 enssdom 4470 brdom2 4475 map1 4517 pw2en 4533 brsdom2 4548 zfregs 4733 r1tr 4740 tz9.12lem1 4745 tz9.12lem3 4747 rankr1 4760 rankel 4766 rankpw 4770 rankss 4774 rankun 4777 aceq3lem 4818 aceq3 4819 aceq5lem2 4822 aceq5lem3 4823 aceq5lem4 4824 aceq5lem5 4825 ac6lem 4840 cardsdomel 4941 alephon 4954 alephcard 4956 alephnbtwn 4957 alephnbtwn2 4958 alephord2 4965 alephval2 4991 cfub 4997 cardcf 5000 cflecard 5001 cfle 5002 elni 5093 ltpiord 5104 nlt1pi 5122 0npq 5139 0nsr 5277 opelcn 5337 opelreal 5338 elreal 5339 0ncn 5340 addcnsr 5342 mulcnsr 5343 ltxr 5584 xrlenlt 5590 elxr 5624 peano2nn 6022 elnn0 6211 dfuzi 6315 elq 6337 elnnuz 6500 elnn0uz 6501 uzind4i 6514 uzrdgvali 6595 seq1lem1 6602 seq1suclem 6609 cvg1i 7043 cvg1 7044 facnn 7056 cbvsumi 7109 efcl 7435 infxpidmlem6 7682 infxpidmlem7 7683 infmap2lem1 7704 alephadd 7707 eltopsp 7729 tpsex 7730 istps 7731 elcls3 7831 cnpco 7889 ismsg 7920 msflem 7923 blf 7964 lmle 8080 bcthlem4 8122 bcthlem14 8132 issubg 8235 ghgrpilem2 8253 isring 8260 ringi 8261 vci 8286 isvclem 8315 0vfval 8344 isnvlem 8348 nvi 8352 vsfval 8373 isphg 8595 ishl 8710 efif1lem5 8853 efif1lem7 8855 shftefif1olem 8860 effoi 8864 eff1o 8867 axhcompl 8987 dfhnorm2 9108 hhcmpl 9189 elch0 9246 chocunii 9292 omlsilem 9364 shsleji 9458 h1de2ctlem 9598 elspansni 9601 nonbooli 9716 spansncvi 9717 5oalem2 9720 3oalem2 9728 mayete3i 9793 hocoi 9810 adjeq 9977 cnlnssadj 10130 cnvbraval 10160 dfpjop 10228 pj3lem1 10252 cdj3lem3 10483 cdj3lem3b 10485 ghomgrpilem2 10507 uninqs 10563 uninqsOLD 10564 ficli 10590 domintref 10600 vri 10625 bsi 10631 fgsb 10708 dtt2 10742 ismgra 10777 isalg 10788 algi 10795 isded 10804 dedi 10805 rdmob 10816 iscat 10822 cati 10823 0ded 10825 0cat 10826 ishoma 10850 idmon 10880 cinvlem3 10892 isfuna 10896 ishgrag 10911 hgralem 10912 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-gen 995 ax-17 1003 ax-4 1005 ax-5o 1007 ax-ext 1494 |
| This theorem depends on definitions: df-bi 145 df-an 223 df-ex 1013 df-cleq 1505 df-clel 1508 |