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What is Logic About?
Logic is the study of good and bad Reasoning.
What is Logic About?
Al is taller than Bill.
Bill is taller than Carol. GOOD
So Al is taller than Carol.
Logic is the study of good and bad Reasoning.
What is Logic About?
Logic is the study of good and bad Reasoning.
Al is taller than Bill.
Bill is taller than Carol. BAD
So Carol is taller than Al.
What is Logic About?
Logic is the study of good and bad Reasoning.
This course will teach you mathematicalmethods for distinguishinggood from bad reasoning.
Al is taller than Bill.
Bill is taller than Carol. BAD
So Carol is taller than Al.
What is Logic About?
We need some technical vocabulary…
What is Logic About?
We need some technical vocabulary…
Argument: A “chunk” of reasoning.
What is Logic About?
We need some technical vocabulary…
Argument: A “chunk” of reasoning.
Valid: The reasoning is GOOD.
Arguments
All UH students are communists.
All communists like broccoli.
All UH students like broccoli.
Argument
Arguments are “chunks”of reasoning.
Arguments
All UH students are communists.
All communists like broccoli.
All UH students like broccoli.
Argument
Arguments are “chunks”of reasoning.
Statement
Statement
Statement
Arguments
All UH students are communists.
All communists like broccoli.
All UH students like broccoli.
Argument
Arguments are “chunks”of reasoning.
Premises
Arguments
All UH students are communists.
All communists like broccoli.
All UH students like broccoli.
Argument
Arguments are “chunks”of reasoning.
Conclusion
Premises
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