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Introduction to Logic The Principles and Practice of Reasoning.

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Presentation on theme: "Introduction to Logic The Principles and Practice of Reasoning."— Presentation transcript:

1 Introduction to Logic The Principles and Practice of Reasoning

2 Orientation Session  Roster and Adds If space permits, I will add at the end of class today  Review of Handouts and Course Website  My comments and your questions about the content of this course

3 While the Roster is Called…  We have one text (described in the Course Description), but will also be using a website – more on that later  This is a skills-oriented class. Assigned or not – plan on using all exercise opportunities you can access (text and website).

4 Using the Syllabus All chapters and sections are from Hurley’s A Concise Introduction to Logic (10 th Edition) Come prepared to discuss assigned chapter/sections during the indicated weeks. It’s easy to forget assignment due dates, especially for the online homeworks. Create some system for yourself that will keep you on track.

5 Assignments and Grading  Homeworks are completed and submitted online  Quizzes are taken and submitted in class  Classwork is completed and submitted in class  A Portfolio is compiled during the semester and is due in June.

6 Course Portfolio Think of this as an ongoing record of your work in this course. The portfolio will cover three modules – the basics of logic, propositional logic and categorical logic. It may be submitted electronically (Powerpoint or other web-enabled presentation project) or physically (set of printed pages)

7 Course Policies There is no extra credit. Instead, I will drop your lowest quiz and homework grades. Lateness: No late classwork Late homeworks (done online) are penalized 10% for each day late. Only one makeup quiz will be offered to those who miss a quiz for documented reasons.

8 Course Content  Hey, we all argue, right?  The Argument Clinic The Argument Clinic Logic deals with a different kind of argument…

9 Logical Arguments  Reasoning is the process of moving toward conclusions on the basis of clear, compelling and relevant supportive statements.  In much of logic, attention focuses on how we draw conclusions from statements, not on the truth of those statements.

10 Discussion: Two Arguments  Those who oppose same-sex marriage are simply Neanderthals.  Everybody knows same-sex marriage is a threat to society.  So, same-sex marriages should be allowed.  Opposition to same-sex marriage relies on constitutionally suspect reasoning.  There is no clear evidence that same-sex marriage is a threat to society.  So, same-sex marriage should be allowed.

11 Another Argument  Any law or policy that limits constitutionally protected freedoms is unacceptable.  Laws against same-sex marriage limit constitutionally protected freedoms.  Support for this claim?  So, laws against same-sex marriage are unacceptable.

12 Your Resources  You will have plenty of help Classes, of course! Professor accessibility  eshadish@elcamino.edu eshadish@elcamino.edu  SOCS 213B – MW, 12 – 1 pm Online (instant email) – W, 4 – 5 pm  Website sign-up: http://1pass.thomson.com/1pass/

13 Go to www.thomsonedu.com/login.www.thomsonedu.com/login Click "Create My Account“.

14 Online Registration  Your site for registration is: http://www.thomsonedu.com/login http://www.thomsonedu.com/login  Your case-sensitive Course Access Code is: E-2KYCK5637H3HS


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