Logic

Logic is......

• a writing technique

• the study of correct reasoning

• linguistic structures using "if" and "then"

• Something Mr. Kyle made up

Tags

CCSS.L.11-12.6

CCSS.L.9-10.6

CCSS.W.11-12.2D

CCSS.W.8.2D

CCSS.W.9-10.2D

Logical sequences are made of what two things?

• Valid and invalid

• Reasons and Figures

• Propositions and Causes

• Premises and Conclusions

What is another name for "premise"?

• Proposition

• Platform

• Perpetuations

• Postion

What can lead to a incorrect conclusion?

• Use of syllogism

• Putting Premises in the wrong order

• False premises

Tags

CCSS.RI.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1

What is syllogism?

• drawing a conclusion from propositions

• valid conclusions

• the opposite of false premises

• Invalid conclusions

Syllogisms always produce valid or correct conclusions

• True

• False

The following is a valid conclusion:

"All mammals have hair.

Mr. Kyle has hair.

Conclusion: Mr. Kyle is a mammal"

• True

• False

Tags

CCSS.RI.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1

All valid conclusions are true

• True

• False

What is the law of non-contradiction?

• For a fact to be true, its inverse (opposite) cannot be

• You must use more than one premise

• False premises lead to false conclusions

• Nobody is allowed to disagree with Aristotle's logic

Tags

CCSS.RI.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1