Obversion
What two things must you do to obvert a sentence?
What is:
1. Change the quality of the sentence
2. Negate the predicate
Interchange the subject and predicate
What is:
How do you Convert a statement?
The two statements that can be converted by contraposition?
What are:
A & O
What does the quality of a statement deal with?
What is:
If a statement is affirmative or negative
Concerned with the content of argumentation
Should you change the quantity of the statement to obvert it?
What is:
No
What two statements does Conversion work on?
What is:
E & I
Which statement can be partially converted by Contraposition?
What is:
E statement
Two statements are following what rule if they differ in both quality and quantity
What is the rule of contradiction?
Interested in the form or structure of reasoning
How do you negate the predicate of a statement to obvert it?
What is:
Place a not in front of it
Which statement can be partially converted if it is true?
What is:
A Statements
What are the 3 steps of Contraposition?
What are:
1. Obvert
2. Convert
3. Obvert
What rule says that two contradictory statements cannot both be true at the same time nor can they both be false at the same time
What is the First Law of Opposition?
The verbal expression of a simple apprehension
What is a term?
What types of statements does Obversion work on?
What is:
A I E O
Convert the following statement:
Some women have long hair
What is:
Some things that have long hair are women
Contrapose this statement:
All coffee is delicious
What is:
No coffee is not delicious
Some not-delicious things are coffee (partial)
All not-delicious things are not coffee
The verbal expression of a judgment
What is a proposition?
The verbal expression of a deductive inference
What is a syllogism?
Obvert the sentence:
All people are insane
What is:
No people are not insane
How do you do a partial conversion?
What is:
Interchanging the subject and the predicate and also changing the quantity
Can this statement be contraposed?
Some boys are funny
The science of right thinking
What is Logic?
Terms that are applied to different things but have related meanings