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Logic 1 Chapter 4
Memoria Press 2nd Edition for GRACE
Question | Answer |
---|---|
A sound argument means | All premises are true/argument is valid |
Can be defined as the act by which the intellect united by affirming, or separates by denying. | Judgment |
What are the two concepts that a judgement unites or separates? | The subject and the predicate. |
That about which we are saying something; the concept about which we are affirming or denying something. | Subject |
What we are saying about the subject; it is what we are affirming or denying about it. | Predicate |
A sentence or statement which expresses truth and falsity | Proposition. |
What are the three elements of Proposition? | Subject-term, predicate-term, and copula |
Logical form | The form which a sentence MUST be in, in order to be handled logically. |
What is the verbal expression of the subject of a judgment? | Subject-term (S) |
What is the verbal expression of the predicate of a judgment.? | Predicate-term (P) |
The word in the proposition that connects or relates the subject to the predicate; some form of the verb "be", usually "is" or "are". | Copula (c) |
Verbal expression of a judgement | Proposition |
What kind of sentences are NOT proposition? | Questions, commands, exclamations, and greetings. |
What are we affirming about the subject in the proposition, "Man is an animal"? | That he is an animal (biologically). |
In the sentence "Man is an animal," what two things are we uniting by affirming? | The two concepts are man and animal. |
How many words must the subject-term and the predicate-term have? | A subject-term and the predicate-term can be made up of many words. |
How do you determine whether a proposition is in the logical form? | It is in logical form if the subject predicate and copula are easily distinguishable |
What is the best way to change the sentence that is not in logical form into one that is in logical form? | By reworking the predicate-copula portion of the sentence to make it more explicit |