Introductory Logic: Introduction Flashcards
1
Q
Definition of Logic
A
Is the science and art of reasoning well.
2
Q
Law of Excluded Middle
A
Any statement is either true or false.
3
Q
Law of Identity
A
If a statement is true, then it is true. If a statement is false, then it is false.
4
Q
Law of Noncontradiction
A
A statement cannot be both true and false.
5
Q
Definition of Formal Logic
A
Deals with the proper modes of reasoning.
6
Q
Definition of Informal Logic
A
Deals with operations of thinking that are indirectly related to reasoning.
7
Q
Definition of Induction
A
Is reasoning with probability from examples or experiences to general.
8
Q
Definition of Deduction
A
Is reasoning with certainty from premises to conclusions.