Introductory Logic: Introduction

Question 1

Definition of Logic

Answer 1

Is the science and art of reasoning well.

Question 2

Law of Excluded Middle

Answer 2

Any statement is either true or false.

Question 3

Law of Identity

Answer 3

If a statement is true, then it is true. If a statement is false, then it is false.

Question 4

Law of Noncontradiction

Answer 4

A statement cannot be both true and false.

Question 5

Definition of Formal Logic

Answer 5

Deals with the proper modes of reasoning.

Question 6

Definition of Informal Logic

Answer 6

Deals with operations of thinking that are indirectly related to reasoning.

Question 7

Definition of Induction

Answer 7

Is reasoning with probability from examples or experiences to general.

Question 8

Definition of Deduction

Answer 8

Is reasoning with certainty from premises to conclusions.