Computers and Technology, 08.10.2021 19:50 gracie6313
1. Use quantifiers to express the following statements. Define your variables and propositional functions.
Start by letting x be the set of students.
Every technology student needs a course in discrete mathematics.
Almost all students in this class owns a computer.
All the students in this class is an IST student or a sophomore.
There is not a single student in this class who has not used a computer.
The students in this class either like math or must take this math course.
2. Given the following propositions:
p: Jupiter's red spot is a giant pimple.
q: Saturn has rings around the collar.
r: Jupiter is a teen age planet.
Write the given argument in words and determine whether each argument is valid by indicating the applicable rule of inference.
p β r
r β q
p
\ q
3. Given the following:
p β r
r
\ p
Use resolution to derive the conclusion. Replace β with logically equivalent expressions that use or or β¨ and and or β§.
4. Prove or disprove inductively that 2n + 1 β€ 2n, n = 3, 4, . . ..
5. Prove or disprove inductively that any amount of money β₯ $0.05 that is a multiple of $0.05 can be formed using just nickels, dimes and quarters with the minimum number of nickels and dimes.
6. Show that x n, n β₯ 0 can be expressed recursively. What is the base case?
Answers: 2
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You receive an email from an impressive-sounding stranger, professor alexander rothschild renard iii, president of the american institute for scientific political statesmen. he urges you to vote for his presidential candidate choice. this social media red flag is known as
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Computers and Technology, 22.06.2019 14:30
The βrule of 72β is used to approximate the time required for prices to double due to inflation. if the inflation rate is r%, then the rule of 72 estimates that prices will double in 72/r years. for instance, at an inflation rate of 6%, prices double in about 72/6 or 12 years. write a program to test the accuracy of this rule. for each interest rate from 1% to 20%, the program should display the rounded value of 72/r and the actual number of years required for prices to double at an r% inflation rate. (assume prices increase at the end of each year.)
Answers: 1
Computers and Technology, 23.06.2019 04:31
Q13 what function does a security certificate perform? a. creates user accounts b. scrambles data c. identifies users d. creates password policies e. provides file access
Answers: 1
1. Use quantifiers to express the following statements. Define your variables and propositional func...
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