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What is Logic?
The art and science of reasoning well
What is the square of opposition? Draw it!
use bestie to correct
What is the purpose lexical definitions serve?
To Remove ambiguity and/or clarify the meaning
What is a Schema?
The schema of a syllogism is a representation of it, having statements in standard order with standard abbreviations of its terms
Form, ambiguity, and distraction
What is a statement?
A statement that is either true or false
How do you arrange terms in order of increasing extension?
make the genus broader, little to big
What are the three methods for defining terms and know and how
By synonym, example, and genus and Difference
What is the form of a syllogism?
The mood and figure
How many valid syllogisms are there?
24
What is an arguement
A set of statements where one appears to be implied or supported by the others
What does it mean that two statements are consistent?
Both statements can be true at the same time
What does it means that a term is distributed?
The term refers to all members of its category
How do you know if a statement is valid?
If the premises imply the conclusion
What are the immediate references that are valid with converse?
E and I
What is a syllogism?
A deductive argument with two premises and one conclusion and three terms.
What is an apparent disagreement
A disagreement that is the result of difference of opinion
Where do we find major, middle and minor terms?
The major term is in the first premise and in the predicate of the conclusion, the middle term is in the premises, the minor term is found in the second premise and the subject of the conclusion
What is a counterexample?
A syllogism of the same form as the original but with and obviously right conclusion and obviously wrong premises.
What is an enthymeme?
A syllogism with an assumed statement
What is an Enthymeme?
An enthymeme is an argument in which a statement is unstated and assumed.
What are the methods of determining the truth value of supported statements.
Authority, experience, and deduction
What is the mood of a syllogism?
The mood refers to the possible combinations of A,E,I, and O statements.
How many rules are there to test the validity of syllogisms?
5 (extra points name some fallacies)
Which form of the mixed hypothetical syllogisms is this?
if P then Q
P
Therefore, Q
Modus ponens