Determine whether the following is valid or invalid:I finally discovered the mystery of why hard beds are good for you. Here's the story: If you have a hard bed, then you cannot stay comfortable for long periods, and when you can't stay comfortable for long periods, you roll around a lot. If you roll around a lot, then your joints don't ache from being in one position for too long. Therefore, if your joints ache in the morning from sleeping too long in one position, then you don't have a hard bed.
Fill in the blank(s) with the appropriate word(s).
Valid.
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The fallacy of appeal to pity is sometimes called
A) "ad populum." B) "ad hominem." C) "ad misericordiam."
Sociobiologists have developed a theory that combines ethical
egoism and a limited altruism, and this theory can serve as a basis for understanding what a successful morality is.
Indicate whether the statement is true or false.INSTRUCTIONS: In each problem below you are given a statement, its truth value in parentheses, and an operation/relation to be performed on that statement. You must identify the new statement and the truth value of the new statement. Adopt the Aristotelian standpoint and assume that 'A' and 'B' denote things that actually exist. All non-A are B. (T) Subalternation
A) Some A are non-B. (T) B) Some non-A are B. (T) C) Some A are not B. (F) D) No non-A are B. (F) E) Some A are B. (T)
The main feature of a valid argument is
A. it is possible for the conclusion to be true. B. it is not necessary that if the premises are true, then the conclusion is true. C. it is necessary that if the premises are true, then the conclusion is true. D. it is not possible for the conclusion to be false.