Vocabulary Set A
Having more than one possible meaning
Ambiguous
A statement is either true or false
Law of Excused Middle
If a statement is true, then it is true
Law of Identity
Law of Noncontradiction
A statement cannot be both true and false
The art and science of reasoning well
Logic
Logic that deal with operations of thinking that are indirectly related to reasoning, and support the process of reasoning, such as defining terms and determine the truth of statements.
Informal Logic
Formal Logic that deals with reasoning from premises to conclusions that are either valid or invalid
Definition
A term that is more general, broad, or abstract than the original term and includes it.
Genus
A definition that provides a single, established meaning of a term
Lexical definition
the sum of all the individual things described by the term
Extension
Formal logic
Statements that can not be true at the same time
Inconsistent
a definition intended to influence the attitudes and emotions of an audience toward the term
persuasive definition
A definition that reduces the vagueness of a term in a particular situation
premising definition
A branch of deductive logic in which the base unit of thought is the proposition
Propositional logic
A statement that is false by logical structure
self contradiction
A statement by a person referring to his or own desires, beliefs, or feelings.
self report
A term that is more specific, narrow, or concrete than the original term and is included by it: a type, kind, or example.
Species
A statement with a truth value that depends on evidence or information from outside of the statement itself.
Supported statement
a statement that is true by logical structure
Tautology
A concept that is expressed precisely in words
Term
A statement with a truth value that depends on evidence or information from outside of the statement itself
supported statement
unclear in extent
vague
a sentence that is either true or false
statement