Translate the following statement into symbols, using the schemes of abbreviation provided: The presence of H2O on Mars is sufficient for the production of life-forms. (H: H2O is present on Mars; P: Life-forms are produced on Mars.)
Symbols list
You may use the list below to copy-and-paste the symbols into your answer as needed.
?; ?; •; ~; ?; ?
H ? P
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What kind of proposition is represented by ~{[D v (~M ? ~D)] ? ~(M ? D)}?
A) a tautology B) a contradiction C) a contingency
Throughout this test, write your answer on the form provided. Erasure marks may cause the grading machine to mark your answer wrong. INSTRUCTIONS: The following selections relate to distinguishing arguments from nonarguments and identifying conclusions. Select the best answer for each. The rate at which a light bulb uses energy (converts electrical energy to light and heat) is usually printed on
it-for example, "100 watts." A watt is a unit of power, which describes the rate of energy use. A power of 1 watt means that 1 joule of energy is being used each second. Hence, for every second that you leave a 100-watt light bulb turned on, you will have to pay the utility company for 100 joules of energy. Jeffrey Bennett, et al., The Cosmic Perspective, 3rd edition A) Argument; conclusion: The rate at which a light bulb ... printed on it. B) Nonargument. C) Argument; conclusion: For every second ... 100 joules of energy. D) Argument; conclusion: A power of 1 watt ... used each second. E) Argument; conclusion: A watt is a unit of power ... rate of energy use.
Many economists are concerned that the growing trade deficit makes the U.S. vulnerable to
a. terrorist attacks. b. depression. c. ease. d. economic extortion
The secular religion that flourishes in North Korea at this point in the twenty-first century focuses on __________
a. Kim Il Sung b. Mao Zedong c. Michael Jackson d. money e. nature