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| Description: Substitution of equal classes into a binary relation. |
| Ref | Expression |
|---|---|
| eqbrtrr.1 |
|
| eqbrtrr.2 |
|
| Ref | Expression |
|---|---|
| eqbrtrr |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqbrtrr.1 |
. . 3
| |
| 2 | 1 | eqcomi 1479 |
. 2
|
| 3 | eqbrtrr.2 |
. 2
| |
| 4 | 2, 3 | eqbrtr 2634 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: 3brtr3 2642 nnlesq 6661 nnesq 6662 sqrlem1 6673 sqrlem11 6683 sqrlem15 6687 sqr2gt1lt2 6719 sqr2irrlem1 6724 faclbnd4lem1 6948 bcpasc 6969 geolim1i 7238 erelem6 7324 efcj 7336 efaddlem22 7359 eftlexOLD 7377 effsumle 7397 efm1lim 7411 eflegeolem2 7414 efm1legeo 7417 reeff1olem1 7424 cos1bnd 7474 cos2bnd 7475 infdif 7568 sincos6thpi 8711 cosh111lem1 8714 efifolem3 8724 efifolem4 8725 efifolem6 8727 norm-ii 9004 projlem13 9198 projlem15 9200 nmopadj 10023 unierr 10037 boe 10460 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-10 966 ax-12 968 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 981 df-sb 1172 df-clab 1464 df-cleq 1469 df-clel 1472 df-v 1812 df-un 2050 df-sn 2412 df-pr 2413 df-op 2416 df-br 2620 |