Sec11 - Chapter 1 Logic 1. What is logic? Webster...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Chapter 1 Logic 1. What is logic ? Webster dictionary definition : the science of correct reasoning; the science which describes relationships among propositions in terms of implication, contradiction, contrariety, and conversion. Logic is a science that deals with principles and criteria of validity of inference and demonstration. 2. What is reasoning? Webster dictionary definition : the drawing of inferences or conclusions from known or assumed facts. Reasoning is the mental process of looking for reasons to support beliefs, conclusions, actions or feelings. Two broad methods of reasoning deductive reasoning inductive reasoning 1.1 Deductive versus Inductive Reasoning 1.1.1 Problem solving Logic and reasoning are associated with the phrase problem solving and critical thinking. 1.1.2 Deductive Reasoning Deductive reasoning works from the more general to the more specific. Example 1 Q: What is the sum of the angles of the triangle on the right? One classic example of deductive reasoning is that found in syllogisms like the following:
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

Sec11 - Chapter 1 Logic 1. What is logic? Webster...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online