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Week 1 - Lecture 2/2

Course Code
Ingrid L.Stefanovic

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Ethics – Week 1 pt.2 – Jan 13, 2011
-Propositions = true or false
-Arguments are sound or unsound, and (if deductive) valid or invalid
-Sound = valid and has two premises
-A good argument meets both subjective and objective criteria
- - Must make an argument tha t is understandable to the audience (i.e. intellect language
with academic people)
- - Argument must also be objectively sound…if it doesnt persuade audience there is no
-Object with one of your premises to figure out what is wrong (reductio absurdio)
What is the best policy?
-You need to take away what is least reasonable to you (What else can be done to make the
argument better?)
-Zenos Paradox (no such thing as space, time)
Analysing what is wrong with an argument
-Difference between morals and ethics…ethics is commonly related to money
Common traps:
-When you agree with a conclusion its easy to miss whats wrong
The Natural istic Fallacy
Key idea behind the “is-ought fallacy etc.:
-Facts or what is actually true in the world arent all good
-What should be isnt always what is
-Group of facts show how valuable something is (good or desirable)
Seven sor ts of Reasons
-Divine Command
-Virtue Ethics
-Natural Law
-Evolutionary Ethics
*Lecture Slides go in depth of each reason*
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