Logic Terms
Laws of Thought
Definitions
Genus
Difference
100
The science and art of reasoning well
Logic
100
Law of Excluded Middle, Law of Identity, Law of Non-contradiction
Three laws of thought
100
what is the purpose of the following definition
e.g. "warm" is 80 degrees
To reduce vagueness
100
the ____________ of a term is the sum of all the individual objects described by it
Extension
100
yellow fish and blue fish
the color
200
Drawing proper conclusions from other information
reasoning
200
A statement is true if that statement identifies as being true
Law of.....well nothing its false
200
Use lexical definition
e.g. "love" is to treat others lawfully from the heart
To remove ambiguity
200
Reasoning to probable conclusions from examples or experience
induction
200
a definition given to a term that is not understood, usually scientific or philosophical in nature
Theoretical definition
300
Deals with operations of thinking indirectly related to reasoning
Informal logic
300
A statement cannot be both true and false
Law of Non-contradiction
300
what is the purpose of the following definition
e.g. "father" is a male parent; "mother" is a female parent
To show relationships
300
a definition given to a new word or an existing word applied in a new way
Stipulative definition
300
Persuasive definition
a definition aimed at persuading the listener one way or another toward the term being defined
400
a word having more than one definition
Ambiguous
400
Any statement is either true or false
Law of Excluded Middle
400
lexical definition, precising definition, stipulative definition, theoretical definition, persuasive definition
Five types of definitions
400
the _________ of a term is the sum of all the common attributes denoted by the term
intension
400
what is the purpose of the following definition
a "sickness" is the flu, chicken pox, measles, etc.
Definition by example
500
Draw the entire Logic genus and species chart
500
If a statement is true, then it is true
Law of Identity
500
Six purposes for definitions
To show relationships, To remove ambiguity, To reduce vagueness, To increase vocabulary, To explain concepts theoretically, To influence attitudes
500
football helmet, helmet, head protection, things
Increasing extension
500
Primary methods of defining terms
Defining by synonym , defining by example, defining by genus and difference