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| Mirrors > Home > QLE Home > Th. List > lea | Unicode version | ||
| Description: L.e. absorption. |
| Ref | Expression |
|---|---|
| lea |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-a2 31 |
. . 3
| |
| 2 | orabs 120 |
. . 3
| |
| 3 | 1, 2 | ax-r2 36 |
. 2
|
| 4 | 3 | df-le1 130 |
1
|
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