| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Equality inference for binary relations. |
| Ref | Expression |
|---|---|
| breqi.1 |
|
| Ref | Expression |
|---|---|
| breqi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | breqi.1 |
. 2
| |
| 2 | breq 2621 |
. 2
| |
| 3 | 1, 2 | ax-mp 7 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: brabsb 2816 avril1 8784 axhcompl 8868 hhcmpl 9069 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-gen 963 ax-17 971 ax-4 973 ax-5o 975 ax-ext 1459 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 981 df-cleq 1469 df-clel 1472 df-br 2620 |