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# Give a step-by-step description of how you would troubleshoot the following scenario using the Troubleshooting Methodology (based on Abductive Reasoning) given in the online Course Content and the handout in the Lesson 4 folder. The goal of the this probl

1.
Give the negation of (?x?D,?y?E such that P(x, y))

Now Give the
negation of (?x? D such that?y? E, P(x, y))

2.
i) First translate “There is a musical
instrument that all IST majors play” into semiformal mathematical terms with symbolic quantifiers and predicate
variables
, then ii) give its semiformal NEGATION

3.
i) First translate “All IST
majors enjoy some kind of music” into semiformal terms with symbolic quantifiers and predicate variables, then ii)
give its semiformal NEGATION

Prove or Disprove the following conjectures. Make sure
to show and clearly identify all steps and give justifications for each step:

4.
Prove or Disprove: ? integers m and n, if m and n
are both even, then 2m – n is even

5.
Prove or Disprove: ? integers m and n, if m and n
are both odd, then m – n is even

6.
Prove or Disprove: ? integers m and n, if m and n are both odd,
then m – n is odd

7.
Give a step-by-step description
of how you would troubleshoot the following scenario using the Troubleshooting
Methodology (based on Abductive Reasoning) given in the online Course Content and the handout in the Lesson 4 folder. The goal of the this
problem is to demonstrate your mastery of ABDUCTIVE TROUBLESHOOTING to the
instructor (not to show off your knowledge of backup technologies and
processes).

Scenario: You are writing a book but you will be changing locations
frequently during the next month. Your publisher has given you a small
notebook, a portable USB external hard drive, and a well-regarded backup
program. You configure the backup to run every night, and every morning you
check to make sure the backup files are on the external hard drive. Everything
works fine for the first three days; however, on the fourth morning, you find
that the backup didn’t work.

JUST THREE POSSIBLE CAUSES OF THE PROBLEM, apply the Troubleshooting Procedure
given in the Online Course Content
(don’t just make up your own methodology or follow the textbook; for full
credit you must follow the Online Course Content). YOU GET TO PICK WHICH
OF THE THREE POSSIBLE CAUSES IS THE “ACTUAL” CAUSE. You don’t have to provide complete, excruciating details for the whole
process, but you do have to
demonstrate mastery of the Abductive Troubleshooting Methodology you should
have learned (so make sure to clearly label each step of the process). If you
are uncertain how to proceed, err on the side of more clarity and less baloney
(you’re pursuing a B.S. degree in IST, not a B.S. in B.S.). Your grade will be
determined by your knowledge of Abductive troubleshooting, not backup
technologies.

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