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| Mirrors > Home > MPE Home > Th. List > simp3d | Structured version Visualization version Unicode version | ||
| Description: Deduce a conjunct from a triple conjunction. (Contributed by NM, 4-Sep-2005.) |
| Ref | Expression |
|---|---|
| 3simp1d.1 |
|
| Ref | Expression |
|---|---|
| simp3d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3simp1d.1 |
. 2
| |
| 2 | simp3 1063 |
. 2
| |
| 3 | 1, 2 | syl 17 |
1
|
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