Distribution rule

Distribution rule

The distribution rule is a logic rule used to test validity. There are three rules for testing validity:
#The number of negative premises must equal the number of negative conclusions.
#The middle term must be distributed once.
#Any terms distributed in the conclusion must be distributed in a premise.

A term within a proposition is said to be distributed when a claim is made concerning every member of the class denoted by the term.

A statements are distributed in subject term,E statements are distributed in both subject and predict term,I statements are not distributed both,O statements are distributed predict term,


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