AMBIGUOUS (WORD)
A word that has more than one definition.
VAGUE (WORD)
A word whose extent is unclear.
LOGIC
The science and art of reasoning well.
TERM
A term is a concept that can be expressed precisely.
DEFINITION
A statement that gives meaning of a term.
DEDUCTION
Reasoning with certainty from promises to conclusions
INDUCTION
Reasoning with probability from examples or experience to general rules
INFORMAL LOGIC
Deals with operations of thinking that are indirectly related to reason
FORMAL LOGIC
Deals with proper modes of reasoning
LAW OF NON-CONTRIDICTION
A statement cannot be both true or false
THE LAW OF IDENTITY
If a statement is true,then it is true
THE LAW OF THE EXCLUDED MIDDLE
Any statement is either true or false