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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 1533 |
. 2
| |
| 3 | 1, 2 | ax-mp 7 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: eleq12i 1537 eleqtr 1544 hbxfr 1561 abeq2i 1568 abeq1i 1569 rabeq2i 1807 elab2g 1897 elrabf 1901 elrab2 1904 elrabsf 1960 elabs2 1961 hbcsb1g 2021 hbcsbg 2023 dfnul2 2279 elsncg 2427 eltp 2436 elunirab 2510 elintrab 2541 exss 2765 elop 2779 opabid 2806 brabg 2814 rabxfr 2898 elsuci 3031 elsucg 3032 elsuc2g 3033 sucid 3047 suceloni 3058 elxp 3198 optocl 3231 opelco 3284 elcnv 3289 opelcnvg 3292 opelres 3368 dfima2 3401 fnopabg 3611 elfv 3717 nfvres 3743 fvopab3 3772 fvopab5 3788 fopabco 3827 fopabcos 3828 fopabap 3836 funfvima 3847 elunirn 3863 tfrlem7 3912 tfrlem9 3914 tfr2 3920 rdgsucopabn 3942 tz7.48-2 3952 eloprabg 4002 1st2val 4088 2nd2val 4089 eloprabi 4111 el1o 4139 oawordeulem 4181 ereldm 4278 0nelqs 4291 ecelqsdm 4292 ectocl 4295 ecoptocl 4296 brecop 4299 brecop2 4300 eceqopreq 4306 oprec 4311 elpm 4329 brsdom 4372 enssdom 4373 brdom2 4378 map1 4420 pw2en 4435 brsdom2 4450 zfregs 4630 r1tr 4637 tz9.12lem1 4642 tz9.12lem3 4644 rankr1 4657 rankel 4663 rankpw 4667 rankss 4671 rankun 4674 aceq3lem 4715 aceq3 4716 aceq5lem2 4719 aceq5lem3 4720 aceq5lem4 4721 aceq5lem5 4722 ac6lem 4737 cardsdomel 4835 alephon 4848 alephcard 4850 alephnbtwn 4851 alephnbtwn2 4852 alephord2 4859 alephval2 4885 cfub 4891 cardcf 4894 cflecard 4895 cfle 4896 elni 4987 ltpiord 4998 nlt1pi 5016 0npq 5033 0nsr 5171 opelcn 5231 opelreal 5232 elreal 5233 0ncn 5234 addcnsr 5236 mulcnsr 5237 ltxrt 5478 xrlenltt 5484 elxr 5518 peano2nn 5893 elnn0 6058 dfuz 6160 elq 6207 uzrdgval 6252 seq1lem1 6259 seq1suclem 6266 elnnuz 6385 elnn0uz 6386 uzind4i 6399 cvg1i 6872 cvg1 6873 facnnt 6885 cbvsum 6939 efclt 7271 infxpidmlem6 7517 infxpidmlem7 7518 infmap2lem1 7539 alephadd 7542 eltopsp 7564 tpsex 7565 istps 7566 subbas 7604 elcls3 7671 cnpco 7729 ismsg 7760 msflem 7763 blf 7806 lmle 7922 bcthlem4 7964 bcthlem14 7974 issubg 8080 ghgrpilem2 8098 isring 8105 ringi 8106 vci 8131 isvclem 8160 0vfval 8189 isnvlem 8193 nvi 8197 vsfval 8218 isphg 8435 ishl 8550 efif1lem5 8684 efif1lem7 8686 shftefif1olem 8696 effoi 8700 eff1o 8703 axhcompl 8823 dfhnorm2 8943 hhcmpl 9024 elch0 9081 chocuni 9127 omlsilem 9199 shslej 9293 h1de2ctlem 9434 elspansn 9437 nonbool 9553 spansncv 9554 5oalem2 9557 3oalem2 9565 mayete3 9630 hoco 9647 adjeqt 9816 cnlnssadj 9969 cnvbravalt 9999 dfpjopt 10067 pj3lem1 10090 cdj3lem3 10321 cdj3lem3b 10323 ghomgrpilem2 10342 uninqs 10400 ficli 10426 bsi 10441 fgsb 10503 dtt2 10534 ismgra 10558 isalg 10569 algi 10576 isded 10585 dedi 10586 rdmob 10597 iscat 10603 cati 10604 0ded 10606 0cat 10607 ishoma 10631 idmon 10660 isfuna 10664 ishgrag 10678 hgralem 10679 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-gen 962 ax-17 970 ax-4 972 ax-5o 974 ax-ext 1458 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 980 df-cleq 1468 df-clel 1471 |