Intro to logic facillies Flashcards
Argument
a group of propositions one of which is a conclusion that is supported by one or more premise (only one conclusion in an argument )
Proposition
a statement that can be confirmed or denied (true or false)
Inference
the property by which premises lend support to conclusions (entailment)
premise
the property in which the premises support the conclusion.
conclusion
supports the premises
Induction
conclusion amplifies the premises.
Deduction argument
defined as “an argument that attempts to show that its
the conclusion follows necessarily from the
premises
Validity
a property of a deductive argument that says if the premise is true then the conclusion must be true. Cannot be false.
soundness
is the property of a valid deductive argument were the
premises are actually true.
Fallacy
A bad argument that tends to persuade
Attacking the person
happens when attacking the person making the argument. Rather the argument itself
Inappropriate authority
someone who gives false information on something.
appeal to the people.
you should believe something that others believe.
strawman
destart an opponent’s argument to make it look bad so it can be easier to attack..
appeal to pity
persuading out of emotion