9 general rule of the categorical syllogism

Question 0

rule 2 :

Answer 0

each term must occur in two propositions. the major term must occur in the conclusion as predicate and in one of the premises which is therefore called the major premise. the minor term must occur in the conclusion as subject and in the other premise which is therefore called the minor premise. the middle term must occur in both premises but not in the conclusion. hence there must be three propositions

Question 1

9 general rule of the categorical syllogism

rule 1:

Answer 1

there must be three terms and only three. the major term the minor term and the middle term

Question 2

rule 3 :

Answer 2

the major and minor terms may not be universal in the conclusion unless they are universal in the premises

Question 3

rule 4 :

Answer 3

the middle term must be universal at least once

Question 4

rule 5 :

Answer 4

if both premises are affirmative the conclusion must be affirmative

Question 5

rule 6 :

Answer 5

if one premise is affirmative and the other negative the conclusion must be negative

Question 6

rule 7:

Answer 6

if both premises are negative there is no conclusion at all

Question 7

rule 8:

Answer 7

at least one of the premise must be universal

Question 8

rule 9 :

Answer 8

if a premise is particular the conclusion must be particular