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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 1540 |
. 2
|
| 4 | 1, 3 | mpbir 190 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: eqeltrr 1548 intab 2564 inex2 2722 zfpair 2783 opex 2788 uniopel 2815 unisn2 2881 tpex 2884 elvvuni 3235 isarep2 3584 fopabex2 3618 fvex 3738 abrexexlem2 3865 abrexex2 3877 oprex 3989 oprabex 4025 1on 4144 oesuc 4172 oecl 4178 nnecl 4237 1onn 4259 2onn 4260 prfi 4568 pwfi 4579 supex 4586 inf0 4615 oancom 4642 rankr1 4684 hta 4738 aceq5lem4 4748 aceq5lem5 4749 ac6lem 4764 kmlem10 4784 brdom7disj 4814 brdom6disj 4815 cardon 4837 cardid 4838 alephon 4876 alephfplem1 4907 nqex 5061 srex 5191 axcnex 5279 ax1cn 5281 negex 5377 subcl 5378 xrex 5504 pnfxr 5505 mnfxr 5506 pnfnemnf 5548 divcl 5722 redivcl 5800 nnsub 5958 2re 5981 3re 5983 4re 5984 5re 5985 6re 5986 7re 5987 8re 5988 9re 5989 10re 5990 2nn 6001 3nn 6002 nneo 6199 zeot 6201 om2uzuz 6298 ser1recl 6332 ser0cl1 6565 discrlem1 6657 sqrlem7 6680 inelr 6736 facclt 6940 facwordit 6944 faclbnd2 6946 bccl2t 6971 sumex 6981 iserzshft 7144 iserzabslem 7178 cvgcmp2lem 7180 isumshft 7204 isumshft2 7205 infcvglem1 7221 infcvglem2 7222 infcvglem3 7223 ivthlem5 7285 isupivth 7290 reefcl 7317 erelem7 7325 ere 7330 efaddlem7 7344 efaddlem8 7345 efaddlem21 7358 ef1tllem 7381 absef01tlub 7388 eirrlem2 7390 efcnlem2 7420 sin01bndlem1 7468 sin01bndlem2 7469 cos01bndlem2 7471 ruclem5 7515 ruclem13 7523 ruclem15 7525 ruclem34 7544 infxpidmlem8 7560 infxpidmlem9 7561 infmap2lem2 7582 indistop 7645 fctop2OLD 7648 lpval 7740 ismsi 7798 metxp 7831 opntop 7867 cncfmet 7902 remet 7907 rehaus 7914 lmfex 7956 fsumcnlem 7986 bcthlem12 8007 bcthlem15 8010 bcthlem30 8025 issubg 8112 issubgi 8118 ghgrpilem4 8132 isvci 8197 isnvi 8228 imsval 8312 imsmetlem 8319 ipfval 8348 sspval 8378 lnoval 8409 islno 8410 nmofval 8421 nmoval 8422 bloval 8437 0ofval 8443 0oval 8444 blocni 8461 ajfval 8465 hmoval 8466 cnph 8474 isph 8477 phpar 8479 ipasslem7 8492 siilem2 8508 ubthlem1 8525 ubthlem6 8530 minveclem12 8552 minveccl 8580 hlex 8596 htthlem11 8626 sincn 8664 coscn 8665 pilem3 8668 pilog 8763 normlem2 8972 normlem3 8973 normlem6 8976 shex 9072 h0elch 9122 hhsssh 9134 projlem11 9191 pjthlem1 9214 pjthlem9 9222 pjthlem10 9223 pjthlem11 9224 pjthlem12 9225 pjthlem13 9226 pjthlem14 9227 spansnj 9586 nonbool 9591 3oalem5 9606 3oalem6 9607 3oa 9608 nmbdfnlbt 9974 cnlnadjlem5 9999 pjbdln 10071 golem2 10194 goeq 10195 ghomgrpilem2 10381 ghomsn 10383 ghomgrplem 10384 cayleylem1 10404 cayleylem2 10405 cayleylem3 10406 cayleythlem 10408 hmeogrp 10524 subsp 10540 limfillem1OLD 10578 stoi 10610 ishomb 10687 ismona 10708 isepia 10718 isfuna 10725 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-gen 965 ax-17 973 ax-4 975 ax-5o 977 ax-ext 1462 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 983 df-cleq 1472 df-clel 1475 |