Introduction
The Definition of Logic
What is the science of right thinking?
The two properties of simple apprehension.
What are Comprehension and Extension?
The two properties of a term
What are Signification and Supposition?
The two possible qualities of a proposition?
What are affirmative and negative?
State the subcontrary of the following proposition… Some ducks are yellow.
Some ducks are not yellow.
Considered the father of logic
Who is Aristotle?
The completely articulated sum of the intelligible aspects or elements (or notes) represented by a concept.
What is comprehension?
Theses terms are applied to different things, but have related meanings.
What are analogous terms?
The two possible quantities of a proposition.
What are universal and particular?
State the subaltern of the following proposition… No billy goats are gruff.
Some billy goats are not gruff.
A correspondence of a statement to reality
What is Truth?
We find this by asking, "To What does the concept refer?"
What is the extension of a concept?
The form in which all three elements of a proposition are shown clearly.
What is Logical Form?
State the contradiction of this proposition… All house plants are green.
Some house plants are not green.
The type of statement that has both a distributed subject and a distributed predicate.
What is an E (Universal Negative) Statement?
The term that indicates that a conclusion follows logically from its premises.
What is Validity?
The process by which a simple apprehension is derived from a sense perception and mental image.
What is Abstraction?
Terms that although spelled and pronounced exactly alike, have entirely different and unrelated meanings.
What are equivocal terms?
State the contrary of this statement… No children are politicians.
All children are politicians.
Two part question… Does an A statement have a distributed subject? Does an A statement have a distributed predicate?
Yes
No
The term used to indicate that all the premises in an argument are true and the argument is valid.
What is Soundness?
The act by which the mind grasps the concept or general meaning of an object without affirming or denying anything about it.
What is simple apprehension?
This kind of supposition refers to something as it exists verbally.
What is Material Supposition?
The two relationships (generally speaking) that categorical statements can have to one another?
What are opposition and equivalence?
Two part question… Can subalterns both be true? Can they both be false?
Yes
Yes