Traditional Logic Ch. 1 Flashcards
Logic - define
The science of right thinking.
Name the two main branches of logic
Formal (minor) logic and Material (major) logic
What is formal logic concerned with?
The form or structure of reasoning..
What is material logic concerned with?
The content of argumentation. Truth of terms and propositions is important.
Define truth
Correspondence with reality.
What is a valid argument?
The conclusion follows logically from the premises.
What is a sound argument?
All premises are true and the argument is valid (conclusion follows logically from the premises)
What occurs when we have a simple apprehension?
We form in our mind a concept of something
What is the verbal expression of a simple apprehension?
A term
What occurs in our minds when we form a judgment?
We perform a judgment any time we think that something is or isn’t something else (affirm or deny).
What occurs in our mind when we make a deductive inference?
We logically connect the terms in an argument in a way that demonstrates that the conclusion does or does not follow from the premises.
What is a syllogism?
The verbal expression of a deductive inference.
What is a proposition?
The verbal expression of a judgment.
The science of right thinking.
Logic - define
Formal (minor) logic and Material (major) logic
Name the two main branches of logic