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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 3345 |
. 2
|
| 4 | 1, 3 | mpbir 207 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: eqbrtrri 3358 3brtr4i 3365 aleph1 6019 pm110.643 6072 cda0en 6075 xp1en 6077 mapcdaen 6082 halflt1 7216 sqlecan 7887 sqrlem6 7928 sqrlem10 7932 sqrlem11 7933 sqrlem19 7941 nthruz 7996 faclbnd3 8199 cvgcmpubi 8446 geolim 8499 geolim1 8501 0.999... 8508 ivthlem5 8547 dsupivthlem 8553 efcltlem1 8566 erelem2 8582 ege2lem2 8590 ege2le3lem2 8591 efaddlem20 8619 reeff1olem1 8689 cos2bnd 8741 sin4lt0 8747 ruclem31 8809 ruclem32 8810 aleph1re 8820 infxpdom 8840 ipcl 9704 pilem1 10020 efifolem1 10076 norm3difi 10647 norm3adifii 10648 bcsiALT 10679 occllem1 10806 occllem5 10810 projlem3 10821 projlem5 10823 projlem7 10825 projlem18 10836 nmopsetn0 11429 nmfnsetn0 11442 nmopge0 11472 nmfnge0 11488 0bdop 11555 opsqrlem6 11716 1nprm 13769 2prm 13779 cntrsetlem 14999 ufilen 15579 fsumltisumi 15823 bfplem6 16003 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-ex 1327 df-sb 1536 df-clab 1872 df-cleq 1877 df-clel 1880 df-v 2294 df-un 2600 df-sn 3049 df-pr 3050 df-op 3053 df-br 3339 |