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Mirrors > Home > MPE Home > Th. List > imim2d | Unicode version |
Description: Deduction adding nested antecedents. (Contributed by NM, 10-Jan-1993.) |
Ref | Expression |
---|---|
imim2d.1 |
Ref | Expression |
---|---|
imim2d |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | imim2d.1 | . . 3 | |
2 | 1 | a1d 25 | . 2 |
3 | 2 | a2d 26 | 1 |
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