the four ways A, I, E, and O statements can be related to one another in opposition
What is contradictory, contrary, subcontrary, subalterns
100
the three ways to convert propositions into their logical equivalent
What is obversion, conversion, contraposition
100
(define) Rule I
What is there must be three and only three terms
200
the three ways that terms can be divided according to their signification
What is univocal, equivocal, analogous
200
the fourth component of a categorical proposition
What is quantifier
200
Can subcontraries be true at the same time?
What is yes
200
the two steps to a obvert a sentence
What are 1. change the quality of the sentence 2. negate the predicate
200
(define) fallacy of equivocation
What is the use of an ambiguous middle term
300
terms that are applied to different things, but have related meanings
What is analogous terms
300
(what is) the rule of contradiction?
What is contradictory statements are statements that differ in both quality and quantity
300
two statements are subcontrary if they are both particular statements that differ in quality
What is the rule of subcontraries
300
the three step of contraposition
What are 1. obvert the statement 2. convert the statement 3. obvert the statement again
300
How many rules must a statement comply with to be valid?
What is all seven
400
the three elements of a proposition
What is subject term, predicate term, and copula
400
(what is) the first law of opposition?
What is contradictories cannot at the same time be true nor at the same time be false
400
Define distribution
What is the status of a term in regard to its extension
400
define reasoning
What is the act by which the mind acquires new knowledge by means of what it already knows
400
the three categories of the seven rules for syllogisms
What is terminological rules, quantitative rules, qualitative rules
500
(define) judgment
What is the mental act whose verbal expression is what we call a proposition
500
(what is) the second law of opposition?
What is contraries cannot at the same time both be true, but can at the same time both be false
500
the rule for determining the distribution of the subject-term
What is the subject-term is distributed in statements whose quantity is universal and undistributed in statements whose quantity is particular
500
the essential law of argumentation
What is if the antecedent is true, the consequent must also be true
500
name 4 of the seven rules
What is
1. there must be three and only three terms
2. the middle term must not occur in the conclusion
3. if a term is distributed in the conclusion, then it must be distributed in the premises
4. the middle term must be distributed at least once
5. no conclusion can follow from two negative premises
6. if the two premises are affirmative, the conclusion must also be affirmative
7. if either premise is negative, the conclusion must be negative