After how many minutes of watching video monitors does the attention of most people fall below acceptable levels?

The grammatical structure "A unless B"  is a logically equivalent to __________

(a) "A only if B." (b) "not A unless B." (c) "If A then B." (d) "A or B."

All of the following are criteria of adequacy except

A. Simplicity. B. Beauty. C. Fruitfulness. D. Conservatism.

For Augustine, because of original sin we now have a "fallen" nature

Indicate whether the statement is true or false

Indicate whether the following claim represents a Formal Contradiction or a Contradiction in Terms. Arnold is the best golfer ever, though Tiger is slightly better

a. Formal Contradiction b. Contradiction in Terms