Unit 1 Flashcards
What is logic?
The science and art of reasoning well
Lexical definitions…
show relationships and ambiguity
Precising definitions…
Reduce Vagueness
Stipulative definitions…
Increase vocabulary
Theoretical definitions…
Explain theoretically
Persuasive definitions…
Influence attitudes
Increasing Extension is…
The broadness of a term
Increasing Intension is…
The more exact the term is
Law of identity
If a statement is true than it is true
Law of noncontradiction
A statement cannot be both true and false
Law of Excluded Middle
Any Statement is either True or False, no third option
Defining by synonym: example
Defining by using a word that means the same thing: Job: occupation
Defining by example
Giving an example of the object or statement Nation: USA, Japan
Defining through genus and difference
Defining by naming its genus then adding descriptive words to distinguish from other terms
- A Genus and Difference definition should…
A definition should state the essential attributes of the term