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| Mirrors > Home > MPE Home > Th. List > expd | Structured version Visualization version Unicode version | ||
| Description: Exportation deduction. (Contributed by NM, 20-Aug-1993.) |
| Ref | Expression |
|---|---|
| expd.1 |
|
| Ref | Expression |
|---|---|
| expd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | expd.1 |
. . . 4
| |
| 2 | 1 | com12 32 |
. . 3
|
| 3 | 2 | ex 450 |
. 2
|
| 4 | 3 | com3r 87 |
1
|
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