Vocabulary
The science of right thinking.
What is logic?
A philosopher who allegedly died from laughing at his own joke.
Who is Chryssipus?
The origin of all kinds of logical processes.
What is a mental act?
When a conclusion logically follows from its premises.
What is validity?
True or False: The purpose of logic is to discover truth.
False.
The correspondence of a statement to reality.
What is truth?
The "father of logic."
Who is Aristotle?
The way each mental act manifests itself.
What is a verbal expression?
The three components of an argument.
What are two premises and a conclusion?
The two main branches of logic.
What is material (major) and formal (minor) logic?
To affirm or deny.
What is judgement?
A philosopher known as the "second founder of stoicism."
Who is Chryssipus?
The verbal expression of simple apprehension.
What is a term?
True or false: an argument can contain true premises and still be invalid
True.
The main branch of logic concerned with the structure of the argument.
What is formal logic?
The mental act that makes logical connections in your mind between terms that shows that the conclusion either follows or does not follow from the premises.
What is deductive inference?
A philosopher who believed that non-rational animals have souls.
Who is Gottfried Wilhelm Leibniz?
The mental act for a proposition
What is a judgment?
True or false: (see diagram)
False.
The word for "a concept described in words."
What is a term?
The verbal expression of a deductive inference in the form of an argument.
What is a syllogism?
A philosopher who disagreed with his tutor, believing that the essence of an object resided in the object itself, not in a "more perfect" reality.
Who is Aristotle?
Moving from one truth to another. Where we make progress in knowledge.
What is a syllogism?
True or false: A statement can be valid or invalid.
False
The verbal expression connected to judgment.
What is a proposition?