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| Mirrors > Home > ILE Home > Th. List > a2d | Unicode version | ||
| Description: Deduction distributing an embedded antecedent. (Contributed by NM, 23-Jun-1994.) |
| Ref | Expression |
|---|---|
| a2d.1 |
|
| Ref | Expression |
|---|---|
| a2d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | a2d.1 |
. 2
| |
| 2 | ax-2 7 |
. 2
| |
| 3 | 1, 2 | syl 14 |
1
|
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