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Mirrors > Home > MPE Home > Th. List > eqeltrri | Structured version Visualization version GIF version |
Description: Substitution of equal classes into membership relation. (Contributed by NM, 21-Jun-1993.) |
Ref | Expression |
---|---|
eqeltrr.1 | ⊢ 𝐴 = 𝐵 |
eqeltrr.2 | ⊢ 𝐴 ∈ 𝐶 |
Ref | Expression |
---|---|
eqeltrri | ⊢ 𝐵 ∈ 𝐶 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqeltrr.1 | . . 3 ⊢ 𝐴 = 𝐵 | |
2 | 1 | eqcomi 2619 | . 2 ⊢ 𝐵 = 𝐴 |
3 | eqeltrr.2 | . 2 ⊢ 𝐴 ∈ 𝐶 | |
4 | 2, 3 | eqeltri 2684 | 1 ⊢ 𝐵 ∈ 𝐶 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1475 ∈ wcel 1977 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-ext 2590 |
This theorem depends on definitions: df-bi 196 df-an 385 df-ex 1696 df-cleq 2603 df-clel 2606 |
This theorem is referenced by: 3eltr3i 2700 zfrep4 4707 p0ex 4779 pp0ex 4781 ord3ex 4782 zfpair 4831 epse 5021 unex 6854 fvresex 7032 abrexex 7033 opabex3 7038 abrexex2 7040 abexssex 7041 abexex 7042 oprabrexex2 7049 seqomlem3 7434 inf0 8401 scottexs 8633 kardex 8640 infxpenlem 8719 r1om 8949 cfon 8960 fin23lem16 9040 fin1a2lem6 9110 hsmexlem5 9135 brdom7disj 9234 brdom6disj 9235 1lt2pi 9606 0cn 9911 resubcli 10222 0reALT 10257 1nn 10908 10nn 11390 numsucc 11425 nummac 11434 unirnioo 12144 ioorebas 12146 fz0to4untppr 12311 om2uzrani 12613 uzrdg0i 12620 hashunlei 13072 cats1fvn 13454 trclubi 13583 trclubiOLD 13584 4sqlem19 15505 dec2dvds 15605 mod2xnegi 15613 modsubi 15614 gcdi 15615 isstruct2 15704 grppropstr 17262 ltbval 19292 nn0srg 19635 sn0topon 20612 indistop 20616 indisuni 20617 indistps2 20626 indistps2ALT 20628 restbas 20772 leordtval2 20826 iocpnfordt 20829 icomnfordt 20830 iooordt 20831 reordt 20832 dis1stc 21112 ptcmpfi 21426 ustfn 21815 ustn0 21834 retopbas 22374 blssioo 22406 xrtgioo 22417 zcld 22424 cnperf 22431 retopcon 22440 iimulcn 22545 rembl 23115 mbfdm 23201 ismbf 23203 abelthlem9 23998 advlog 24200 advlogexp 24201 cxpcn3 24289 loglesqrt 24299 log2ub 24476 ppi1i 24694 cht2 24698 cht3 24699 bpos1lem 24807 lgslem4 24825 vmadivsum 24971 log2sumbnd 25033 selberg2 25040 selbergr 25057 iscgrg 25207 ishpg 25451 ax5seglem7 25615 iseupa 26492 h2hva 27215 h2hsm 27216 h2hnm 27217 norm-ii-i 27378 hhshsslem2 27509 shincli 27605 chincli 27703 lnophdi 28245 imaelshi 28301 rnelshi 28302 bdophdi 28340 nn0omnd 29172 nn0archi 29174 lmatfvlem 29209 rmulccn 29302 rrhre 29393 sigaex 29499 br2base 29658 sxbrsigalem3 29661 carsgclctunlem3 29709 sitmcl 29740 afsval 30002 kur14lem7 30448 retopscon 30485 hfuni 31461 neibastop2lem 31525 onint1 31618 topdifinffinlem 32371 poimirlem9 32588 poimirlem28 32607 poimirlem30 32609 poimirlem32 32611 0mbf 32625 bddiblnc 32650 ftc1cnnc 32654 cncfres 32734 lineset 34042 lautset 34386 pautsetN 34402 tendoset 35065 areaquad 36821 sblpnf 37531 lhe4.4ex1a 37550 fourierdlem62 39061 fourierdlem76 39075 65537prm 40026 11gboa 40197 bgoldbtbndlem1 40221 fusgrfis 40549 |
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