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| Mirrors > Home > ILE Home > Th. List > eqbrtrrd | Unicode version | ||
| Description: Substitution of equal classes into a binary relation. (Contributed by NM, 24-Oct-1999.) |
| Ref | Expression |
|---|---|
| eqbrtrrd.1 |
|
| eqbrtrrd.2 |
|
| Ref | Expression |
|---|---|
| eqbrtrrd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqbrtrrd.1 |
. . 3
| |
| 2 | 1 | eqcomd 2202 |
. 2
|
| 3 | eqbrtrrd.2 |
. 2
| |
| 4 | 2, 3 | eqbrtrd 4056 |
1
|
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