5.3 further immediate inferences

Question 1

what is a converse ?

Answer 1

of a standard form categorical statement is formed simply by interchanging its subject and predicate terms

Question 2

what is conversion

Answer 2

is the interference from a categorical statement to its converse .

Question 3

conversion by limitation

Answer 3

we switch the subject and predicate terms of an a statement and change the quantity from universal to particular

Question 4

complement

Answer 4

of a class x is the class containing all things that are not ammeter of x

Question 5

what is a term

Answer 5

complement is the word or phrase that denotes the class complement

Question 6

obverse

Answer 6

of a statement is formed by changing its quality from affirmative to negative and replacing the predicate term with its term complement

Question 7

what is obversion

Answer 7

is the inference from a categorical statement from a categorical state ent to its obverse . obversion is always valid

Question 8

contrapositive of a statement

Answer 8

is formed by replacing its complement of its predicate term and replacing the predicate term with the term complement of its subject term