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| Description: Substitution of equal classes into a binary relation. |
| Ref | Expression |
|---|---|
| breqtrr.1 |
|
| breqtrr.2 |
|
| Ref | Expression |
|---|---|
| breqtrr |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | breqtrr.1 |
. 2
| |
| 2 | breqtrr.2 |
. . 3
| |
| 3 | 2 | eqcomi 1471 |
. 2
|
| 4 | 1, 3 | breqtr 2628 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: 3brtr4 2633 ensn1 4405 uncdadom 4893 xpcdaen 4903 0lt1sr 5176 2pos 5936 3pos 5938 4pos 5939 5pos 5940 6pos 5941 7pos 5942 8pos 5943 9pos 5944 10pos 5945 1lt2 5975 nn0le2x 6081 sqge0 6559 nnlesq 6591 sqrlem8 6610 sqrlem9 6611 sqrlem10 6612 cjmulge0 6728 absge0 6775 faclbnd2 6883 isumsplit 7151 0.999... 7181 ivthlem5 7220 dsupivthlem 7226 ivthlem5OLD 7229 efaddlem10 7289 efaddlem20 7299 efaddlem22 7301 ef1tllem 7323 ef01tllem1 7325 eirrlem5 7334 efgt0 7345 efm1legeo 7357 efcnlem2 7360 sin01bndlem1 7409 sin01bndlem2 7410 cos2bnd 7417 cos01gt0 7419 ruclem29 7481 ruclem35 7487 infxpidmlem12 7506 siilem2 8443 minveclem14 8489 pilem1 8590 pilem3 8592 sincos6thpi 8628 cosh111lem1 8629 efifolem1 8637 loge 8689 logeOLD 8708 normlem6 8902 normlem7 8903 pjnorm 9583 unierr 9950 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 959 ax-gen 960 ax-8 961 ax-10 963 ax-12 965 ax-17 968 ax-4 970 ax-5o 972 ax-6o 975 ax-9o 1119 ax-10o 1136 ax-16 1206 ax-11o 1213 ax-ext 1452 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 978 df-sb 1168 df-clab 1457 df-cleq 1462 df-clel 1465 df-v 1803 df-un 2040 df-sn 2402 df-pr 2403 df-op 2406 df-br 2610 |