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Mirrors > Home > ILE Home > Th. List > imim1 | Unicode version |
Description: A closed form of syllogism (see syl 14). Theorem *2.06 of [WhiteheadRussell] p. 100. (Contributed by NM, 5-Aug-1993.) (Proof shortened by Wolf Lammen, 25-May-2013.) |
Ref | Expression |
---|---|
imim1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | id 19 | . 2 | |
2 | 1 | imim1d 69 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 |
This theorem is referenced by: pm2.83 71 pm3.33 327 looinvdc 821 intss 3636 |
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