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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 2588 | . 2 |
4 | 1, 3 | mpd 13 | 1 |
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