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| Description: Substitution of equal classes into a binary relation. |
| Ref | Expression |
|---|---|
| eqbrtr.1 |
|
| eqbrtr.2 |
|
| Ref | Expression |
|---|---|
| eqbrtri |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqbrtr.2 |
. 2
| |
| 2 | eqbrtr.1 |
. . 3
| |
| 3 | 2 | breq1i 2699 |
. 2
|
| 4 | 1, 3 | mpbir 188 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: eqbrtrri 2709 3brtr4i 2716 aleph1 5021 pm110.643 5074 cda0en 5077 xp1en 5079 mapcdaen 5084 halflt1 6176 sqlecan 6838 sqrlem6 6879 sqrlem10 6883 sqrlem11 6884 sqrlem19 6892 nthruz 6947 faclbnd3 7150 cvgcmpubi 7389 geolim 7442 geolim1 7444 0.999... 7451 ivthlem5 7490 dsupivthlem 7496 efcltlem1 7509 erelem2 7525 ege2lem2 7533 ege2le3lem2 7534 efaddlem20 7562 reeff1olem1 7632 cos2bnd 7684 sin4lt0 7690 ruclem31 7752 ruclem32 7753 aleph1re 7763 infxpdom 7783 ipcl 8619 pilem1 8938 efifolem1 8994 norm3difi 9290 norm3adifii 9291 bcsiALT 9322 occllem1 9449 occllem5 9453 projlem3 9464 projlem5 9466 projlem7 9468 projlem18 9479 nmopsetn0 10072 nmfnsetn0 10085 nmopge0 10115 nmfnge0 10131 0bdop 10197 ufilen 11664 fsumltisumi 11886 bfplem6 12059 |
| 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-or 222 df-an 223 df-ex 1017 df-sb 1209 df-clab 1506 df-cleq 1511 df-clel 1514 df-v 1858 df-un 2102 df-sn 2470 df-pr 2471 df-op 2474 df-br 2693 |