Description: A closed form of syllogism (see syl ). Theorem *2.06 of WhiteheadRussell p. 100. Its associated inference is imim1i . (Contributed by NM, 29-Dec-1992) (Proof shortened by Wolf Lammen, 25-May-2013)
Ref | Expression | ||
---|---|---|---|
Assertion | imim1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | id | ||
2 | 1 | imim1d |