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| Mirrors > Home > ILE Home > Th. List > rexlimddv | Unicode version | ||
| Description: Restricted existential elimination rule of natural deduction. (Contributed by Mario Carneiro, 15-Jun-2016.) |
| Ref | Expression |
|---|---|
| rexlimddv.1 |
|
| rexlimddv.2 |
|
| Ref | Expression |
|---|---|
| rexlimddv |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rexlimddv.1 |
. 2
| |
| 2 | rexlimddv.2 |
. . 3
| |
| 3 | 2 | rexlimdvaa 2615 |
. 2
|
| 4 | 1, 3 | mpd 13 |
1
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