What is Logic About? Logic is the study of good and bad Reasoning.

Slides:

Advertisements

Similar presentations

Deductive Validity In this tutorial you will learn how to determine whether deductive arguments are valid or invalid. Go to next slide.

Advertisements

Last week Change minds; influence people Premises Conclusion

Four Rules of Aristotelian Logic 1. Rule of Identity: A is A 2. Rule of Non-Contradiction: A is not (-A) 3. Rule of Excluded Middle: Either A or (-A)

1 Valid and Invalid arguments. 2 Definition of Argument Sequence of statements: Statement 1; Statement 2; Therefore, Statement 3. Statements 1 and 2 are.

Statements The most important idea in logic: Validity of an argument.

Consistency In logic, ‘consistency’ has two meanings.

Inductive and Deductive Reasoning Geometry 1.0 – Students demonstrate understanding by identifying and giving examples of inductive and deductive reasoning.

Click Here to Begin the Game CHOICE 1CHOICE 2CHOICE 3 CHOICE CHOICE

Geometry Vocabulary 1A Geometry, like much of mathematics and science, developed when people began recognizing and describing patterns. In this course,

LOGIC CHAPTER 3 1. EULER DIAGRAMS: A PROBLEM-SOLVING TOOL

DEDUCTIVE & INDUCTIVE ARGUMENTS

Validity All UH students are communists. All communists like broccoli. All UH students like broccoli.

GLE Explore the concept of premises, including false premises. Intro to Logic.

Introduction to Geometric Proof Logical Reasoning and Conditional Statements.

Deductive vs. Inductive Logic This course is about deductive logic. But it is important to know something about inductive logic.

Deductive Reasoning Chapter 2 Lesson 4.

Question of the Day!  We shared a lot of examples of illogical arguments!  But how do you make a LOGICAL argument? What does your argument need? What.

DEDUCTIVE REASONING MOVES FROM A GENERALIZATION THAT IS TRUE OR SELF-EVIDENT TO A MORE SPECIFIC CONCLUSION DEDUCTIVE REASONING.

“I Can’t” How Two Little Words Can Have More Power Than You Think.

Validity and Conditionals There is a relationship between validity of an argument and a corresponding conditional.

Logic and Reasoning Conditional Statements. Logic The use and study of valid reasoning. When studying mathematics it is important to have the ability.

Philosophical Method  Logic: A Calculus For Good Reason  Clarification, Not Obfuscation  Distinctions and Disambiguation  Examples and Counterexamples.

Thinking Mathematically Arguments and Truth Tables.

Do Now  What does logos appeal to in an advertisement?  Give three examples.

Sentence (syntactically Independent grammatical unit) QuestionCommandStatement “This is a class in logic.” “I enjoy logic.” “Today is Friday.”

Deductive and Inductive Reasoning. Deductive reasoning Deductive reasoning begins with a general premise (statement) and moves to a specific conclusion.

Title Subtitle Name. Short Paper Title Framing Guiding Question; or Guiding Problem; or Exemplar Case.

Chapter 4: Logic as The Art of Arts By Kasey Fitzpatrick.

Uniqueness Quantifier ROI for Quantified Statement.

Text Table of Contents #4: What are the Reasons?.

Deductive reasoning.

2-4 Deductive Reasoning Objective:

Arguments with Quantified Statements

a valid argument with true premises.

Chapter 1: Good and Bad Reasoning

Disjunctive Syllogism

How do you compare and use the properties of real numbers?

Demonstrating the validity of an argument using syllogisms.

Click here for the answer. Click here for the answer.

Click here for the answer. Click here for the answer.

Basic Logic Definitions

Click here for the answer. Click here for the answer.

PHL 320 Week 4 Apply: Rhetorical Strategies and Fallacies //Download Your Course Here:

PHL 320 Week 3 Apply: Logical Structures of Arguments //Download Your Course Here:

Methods for Evaluating Validity

Introduction to Logic PHIL 240 Sections

Sec. 2.3: Apply Deductive Reasoning

3 Logic The Study of What’s True or False or Somewhere in Between.

Warm up: pick up a half sheet!

TRUTH TABLES continued.

Review To check an argument with a tree:.

The most important idea in logic: Validity of an argument.

Premise: If it’s a school day, then I have Geometry class.

YOUR text YOUR text YOUR text YOUR text

6.4 Truth Tables for Arguments

Refresh: Click Here.

CLICK TO START.

Logic and Reasoning.

Phil2303 intro to logic.

SUMMARY Logic and Reasoning.

CLICK TO START.

ID1050– Quantitative & Qualitative Reasoning

If there is any case in which true premises lead to a false conclusion, the argument is invalid. Therefore this argument is INVALID.

If there is any case in which true premises lead to a false conclusion, the argument is invalid. Therefore this argument is INVALID.

Call Now : Click : -

Call Now : Click : -

Call Now : Click : -

Presentation transcript:

What is Logic About? Logic is the study of good and bad Reasoning.

What is Logic About? Al is taller than Bill. Bill is taller than Carol. GOOD So Al is taller than Carol. Logic is the study of good and bad Reasoning.

What is Logic About? Logic is the study of good and bad Reasoning. Al is taller than Bill. Bill is taller than Carol. BAD So Carol is taller than Al.

What is Logic About? Logic is the study of good and bad Reasoning. This course will teach you mathematical methods for distinguishing good from bad reasoning. Al is taller than Bill. Bill is taller than Carol. BAD So Carol is taller than Al.

What is Logic About? We need some technical vocabulary…

What is Logic About? We need some technical vocabulary… Argument: A “chunk” of reasoning.

What is Logic About? We need some technical vocabulary… Argument: A “chunk” of reasoning. Valid: The reasoning is GOOD.

Arguments All UH students are communists. All communists like broccoli. All UH students like broccoli. Argument Arguments are “chunks”of reasoning.

Arguments All UH students are communists. All communists like broccoli. All UH students like broccoli. Argument Arguments are “chunks”of reasoning. Statement

Arguments All UH students are communists. All communists like broccoli. All UH students like broccoli. Argument Arguments are “chunks”of reasoning. Premises

Arguments All UH students are communists. All communists like broccoli. All UH students like broccoli. Argument Arguments are “chunks”of reasoning. Conclusion Premises For more click heremoreclick here