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| Mirrors > Home > ILE Home > Th. List > eqeltrid | Unicode version | ||
| Description: B membership and equality inference. (Contributed by NM, 4-Jan-2006.) |
| Ref | Expression |
|---|---|
| eqeltrid.1 |
|
| eqeltrid.2 |
|
| Ref | Expression |
|---|---|
| eqeltrid |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqeltrid.1 |
. . 3
| |
| 2 | 1 | a1i 9 |
. 2
|
| 3 | eqeltrid.2 |
. 2
| |
| 4 | 2, 3 | eqeltrd 2273 |
1
|
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