Logic / Unit 3 Logic 076 short lesson, about 20 seconds
Distribution Across the Four Forms
Captions available
The idea
A distributes its subject. E distributes both terms. I distributes neither. O distributes its predicate.
In practice
The memory card: universals distribute subjects; negatives distribute predicates.
Where people slip
Memorize this cold. Two of the five syllogism rules run entirely on it.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
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