Problem 1
Use modus ponens or modus tollens to fill in the blanks in the arguments of 1-5 so as to produce valid inferences. If \(\sqrt{2}\) is rational, then \(\sqrt{2}=a / b\) for some integers \(a\) and \(b\). It is not true that \(\sqrt{2}=a / b\) for some integers \(a\) and \(b\). ______________
Problem 2
Use modus ponens or modus tollens to fill in the blanks in the arguments of 1-5 so as to produce valid inferences. If this is a while loop, then the body of the loop may never be executed. ______________ The body of the loop may never be executed.
Problem 2
Rewrite the statements in \(1-4\) in if-then form. I am on time for work if I catch the \(8: 05\) bus.
Problem 2
Represent the decimal integers in 1-6 in binary notation. 55
Problem 3
Use modus ponens or modus tollens to fill in the blanks in the arguments of 1-5 so as to produce valid inferences. If logic is easy, then I am a monkey's uncle. I am not a monkey's uncle. ______________
Problem 4
Rewrite the statements in \(1-4\) in if-then form. Fix my ceiling or I won't pay my rent.
Problem 5
Indicate which of the following sentences are statements. a. 1,024 is the smallest four-digit number that is a perfect square. b. She is a mathematics major. c. \(128=2^{6}\) d. \(x=2^{6}\)
Problem 5
Represent the decimal integers in 1-6 in binary notation. 1609
Problem 6
Write the statements in 6-9 in symbolic form using the symbols \(\sim, \vee\), and \(\wedge\) and the indicated letters to represent component statements. Let \(s=\) "stocks are increasing" and \(i=\) "interest rates are steady." a. Stocks are increasing but interest rates are steady. b. Neither are stocks increasing nor are interest rates steady.
Problem 7
Use truth tables to determine whether the argument forms in 6-10 are valid. Indicate which columns represent the premises and which represent the conclusion, and include a few words of explanation to support your answers. $$ \begin{aligned} & p \\ & p \rightarrow q \\ & \sim q \vee r \\ \therefore & r \end{aligned} $$