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| Mirrors > Home > MPE Home > Th. List > simp23 | Structured version Visualization version Unicode version | ||
| Description: Simplification of doubly triple conjunction. (Contributed by NM, 17-Nov-2011.) |
| Ref | Expression |
|---|---|
| simp23 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simp3 1063 |
. 2
| |
| 2 | 1 | 3ad2ant2 1083 |
1
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