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| Mirrors > Home > ILE Home > Th. List > simp1 | Unicode version | ||
| Description: Simplification of triple conjunction. (Contributed by NM, 21-Apr-1994.) |
| Ref | Expression |
|---|---|
| simp1 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3simpa 996 |
. 2
| |
| 2 | 1 | simpld 112 |
1
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