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| Description: Substitution of equal classes into membership relation. |
| Ref | Expression |
|---|---|
| eqeltr.1 |
|
| eqeltr.2 |
|
| Ref | Expression |
|---|---|
| eqeltr |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqeltr.2 |
. 2
| |
| 2 | eqeltr.1 |
. . 3
| |
| 3 | 2 | eleq1i 1535 |
. 2
|
| 4 | 1, 3 | mpbir 190 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: eqeltrr 1543 intab 2556 inex2 2713 zfpair 2773 opex 2778 uniopel 2805 unisn2 2871 tpex 2874 elvvuni 3225 isarep2 3574 fopabex2 3608 fvex 3727 abrexexlem2 3854 abrexex2 3866 oprex 3978 oprabex 4014 1on 4131 oesuc 4159 oecl 4165 nnecl 4224 1onn 4246 2onn 4247 supex 4560 inf0 4589 oancom 4616 rankr1 4657 hta 4711 aceq5lem4 4721 aceq5lem5 4722 ac6lem 4737 kmlem10 4757 brdom7disj 4787 brdom6disj 4788 cardon 4810 cardid 4811 alephon 4848 alephfplem1 4879 nqex 5032 srex 5162 axcnex 5250 ax1cn 5252 negex 5348 subcl 5349 xrex 5475 pnfxr 5476 mnfxr 5477 pnfnemnf 5519 divcl 5689 redivcl 5764 nnsub 5913 2re 5936 3re 5938 4re 5939 5re 5940 6re 5941 7re 5942 8re 5943 9re 5944 10re 5945 2nn 5956 3nn 5957 nneo 6154 zeot 6156 om2uzuz 6247 ser1recl 6281 ser0cl1 6509 discrlem1 6601 sqrlem7 6624 inelr 6680 facclt 6892 facwordit 6896 faclbnd2 6898 bccl2t 6924 sumex 6934 iserzshft 7097 iserzabslem 7131 cvgcmp2lem 7133 isumshft 7156 isumshft2 7157 infcvglem1 7173 infcvglem2 7174 infcvglem3 7175 ivthlem5 7237 isupivth 7242 ivthlem5OLD 7246 reefcl 7276 erelem7 7284 ere 7289 efaddlem7 7303 efaddlem8 7304 efaddlem21 7317 ef1tllem 7340 absef01tlub 7346 eirrlem2 7348 efcnlem2 7377 sin01bndlem1 7426 sin01bndlem2 7427 cos01bndlem2 7429 ruclem5 7474 ruclem13 7482 ruclem15 7484 ruclem34 7503 infxpidmlem8 7519 infxpidmlem9 7520 infmap2lem2 7540 indistop 7608 fctop2 7611 lpval 7703 ismsi 7761 metxp 7796 opntop 7832 cncfmet 7867 remet 7872 rehaus 7879 lmfex 7921 fsumcnlem 7951 bcthlem12 7972 bcthlem15 7975 bcthlem30 7990 issubg 8080 issubgi 8086 ghgrpilem4 8100 isvci 8165 isnvi 8196 imsval 8280 imsmetlem 8287 ipfval 8314 sspval 8344 lnoval 8375 islno 8376 nmofval 8385 nmoval 8386 bloval 8401 0ofval 8407 0oval 8408 blocni 8424 ajfval 8428 hmoval 8429 cnph 8437 isph 8440 phpar 8442 ipasslem7 8455 siilem2 8471 ubthlem1 8488 ubthlem6 8493 minveclem12 8515 minveccl 8543 hlex 8558 htthlem11 8588 sincn 8623 coscn 8624 pilem3 8627 circgrpOLD 8693 pilog 8723 normlem2 8932 normlem3 8933 normlem6 8936 shex 9032 h0elch 9082 hhsssh 9094 projlem11 9151 pjthlem1 9174 pjthlem9 9182 pjthlem10 9183 pjthlem11 9184 pjthlem12 9185 pjthlem13 9186 pjthlem14 9187 spansnj 9548 nonbool 9553 3oalem5 9568 3oalem6 9569 3oa 9570 nmbdfnlbt 9935 cnlnadjlem5 9960 pjbdln 10032 golem2 10155 goeq 10156 ghomgrpilem2 10342 ghomsn 10344 ghomgrplem 10345 cayleylem1 10365 cayleylem2 10366 cayleylem3 10367 cayleythlem 10369 hmeogrp 10484 subsp 10488 limfillem1 10523 dtopcl 10531 stoi 10555 ishomb 10632 ismona 10651 isfuna 10664 |
| 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 |