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| Description: Equivalent wff's yield equal class abstractions (inference rule). |
| Ref | Expression |
|---|---|
| abbii.1 |
|
| Ref | Expression |
|---|---|
| abbii |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eq2ab 1616 |
. 2
| |
| 2 | abbii.1 |
. 2
| |
| 3 | 1, 2 | mpgbir 1024 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: rabswap 1817 rabbii 1851 rabab 1868 csbid 2056 unrab 2322 inrab 2323 inrab2 2324 difrab 2325 dfnul3 2335 dfif2 2417 pwpw0 2533 pwsn 2565 pwsnALT 2566 pwpr 2567 dfuni2 2571 unipr 2581 dfint2 2602 int0 2614 dfiin2 2656 cbviun 2657 iunid 2671 viin 2675 iunun 2683 cbvopab 2746 cbvopab1 2748 cbvopab1s 2749 cbvopab2v 2751 unopab 2753 zfrep4 2775 abssexg 2825 zfpair 2853 dfid3 2914 dfepfr 2960 epfrc 2961 uniuni 3104 dfom2 3220 dfdm3 3393 dfrn2 3394 dfrn3 3395 dfdm4 3396 dfdmf 3397 dmopab 3411 dmopabss 3412 dmopab3 3413 dm0 3414 dmi 3415 dfrnf 3435 rnopab 3440 rnopab2 3441 dfima2 3497 dfima3 3498 imadmrn 3506 imai 3509 args 3520 zfrep6 3721 fv2 3831 dfimafn2 3873 fvresex 3971 abrexexlem2 3973 abrexex2 3985 abexssex 3986 abexex 3987 dfoprab2 4050 cbvoprab1 4057 cbvoprab12 4058 dmoprab 4062 rnoprab 4064 fnrnoprv 4097 oprvex 4102 fo1st 4152 fo2nd 4153 dfopab2 4173 fparlem1 4199 fparlem2 4200 dfrdg2 4234 rdglem1 4238 rdglem2 4239 oarec 4332 dfec2 4404 qsexg 4434 snec 4437 ecid 4441 qsid 4442 pmex 4468 map0e 4483 abfii1 4704 abfii2 4705 ruv 4744 scottexs 4864 scott0s 4865 kardex 4871 aceq3 4879 cardval2 5005 cf0 5060 addcompr 5277 mulcompr 5279 dfnn2 6081 sqr0 6873 sumex 7184 cbvsumi 7189 isumcl 7413 infxpidmlem9 7772 infmap2lem1 7791 infmap2 7793 tgval2 7829 iscau 8147 issubg 8358 minvecex 8838 efghgrpilem 8991 h2hcau 9124 hhlnoi 10106 nmopnegi 10168 nmop0 10189 nmfn0 10190 adjbdln 10295 foo3 10652 symgval 10688 symggrpi 10691 fiv 10849 zrdivrng 10969 hmeogrp 11044 subsp 11056 subspemp 11060 clindistop 11131 singempcon 11134 isalg 11175 algi 11181 ishomb 11243 cbviin 11401 fictblem 11422 fictb 11423 neibastop2lem1 11580 neibastop2lem4 11583 oprabopabf 11807 cbvixpv 11821 abrexex2g 11825 abrexdom 11826 firnfi3 11830 heiborlem8 12018 ismrer1 12080 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 998 ax-gen 999 ax-8 1000 ax-10 1002 ax-12 1004 ax-17 1007 ax-4 1009 ax-5o 1011 ax-6o 1014 ax-9o 1159 ax-10o 1177 ax-16 1247 ax-11o 1255 ax-ext 1500 |
| This theorem depends on definitions: df-bi 145 df-an 223 df-ex 1017 df-sb 1209 df-clab 1506 df-cleq 1511 df-clel 1514 |