What is considered a statement or claim ?
is an assertion that something is or is not the case; it is either true or false
Critical reasoning –
is the careful, systematic evaluation of statements or claims
An argument -
is a group of statements, one of which is supposed to be supported by the rest
Premises -
the supporting statements
Conclusion -
the statement being supported
What makes a good argument?
That’s its conclusion is worthy of belief or acceptance
Deductive arguments –
are supposed to give logically conclusive support to their conclusions
- its valid just in case the truth of the premises guarantees the trust of the conclusion
Inductive Arguments –
Good arguements must be …
valid or strong. but they must also have true premises.
A valid arguments with true premises is said to be –
sound
A strong arguments with true premises is said to be –
cogent
Implied premises -
premises that are merely implied, something too obvious to mention. This creates a gap between the premises and conclusions
Moral Statement –
a statement affirming that an action is right or wrong or that a person (or one’s motive or character) is good or bad
Nonmoral statement –
asserts that a state of affairs is actual (true or false) but does not assign moral values to it - is the link between the moral premise and the conclusion
A moral statement is needed because —
We cannot establish what ought to be or should be base3d solely on what is
What is the best way to test a moral premise?
to use counterexamples
What are Fallacices?
Bad arguments that are convincing.
Begging the questions -
arguing is a circle - that is, trying to use a statement as both a premise in an arguments and the conclusion of that argument
Equivocation -
One commits this fallacy when one “assigns two different meanings to the same term in an argument”
Appeal to Authority -
relying on the opinion of someone thought to be an expert who is not
Expert is –
someone who is both knowledgeable about the facts and able to make reliable judgement about them
Slippery slope -
using suspicious premises to argue that doing a particular action will inevitably lead to other actions that will result in disaster
Appeal to emotion -
when we try to convince someone to accept a conclusion not by providing them with relevant reasons but by appealing only to fear, guilt, anger, hate, compassion, and the like
Faulty Analogy -
a type of inductive argument that says because two things are alike in some ways, they must be alike in some additional way but not only must the degree of similarity great is also have to be relevant