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Mirrors > Home > MPE Home > Th. List > simpr | Structured version Visualization version Unicode version |
Description: Elimination of a conjunct. Theorem *3.27 (Simp) of [WhiteheadRussell] p. 112. (Contributed by NM, 3-Jan-1993.) (Proof shortened by Wolf Lammen, 13-Nov-2012.) |
Ref | Expression |
---|---|
simpr |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | idd 24 | . 2 | |
2 | 1 | imp 445 | 1 |
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