Sets and Logic
Chapter 1
Chapter 1
(1.4
Arguments and Rules of Inference
1 5
Q
tifi
)
1.5
Quantifiers
September 7, 2009
Homework #1
[was just due]
Show
all
your work in your homework.
•
Section 1.1 Exercises (p.12~13)
–
#50~54
–
#87~90
–
#94
•
Section 1.2 Exercises (p.20~21)
–
#49~54
#68 69 71 72
–
#68,69,71,72
•
Section 1.3 Exercises (p.31)
–
#75
•
You will get your homework back on Friday.
•
Late homework will be accepted until Friday
before
class.
Late homework will be accepted until Friday
–
Penalty will be applied
•
Next homework set will be posted on Friday.
–
Check out the Homepage!
[email protected]
CS204 Discrete Math (Fall 2009)
2
Quiz #1
• Average:
5.65
• Max:
10
[5+3 students]
9 5
[2 students]
9.5
•
Grade recorded
– Above 9.5 and properly graded:
◎
(check+)
by a grader
– Rest who handed in:
○
(check)
– Absent / No submission:
zero
[email protected]
3
CS204 Discrete Math (Fall 2009)
Questions
• On the board
On the board
– What is the definition of Computer Science?
•
Computer science
(or
computing science
) is
(or
) is
the study of the theoretical foundations of
information and computation, and
information and computation, and
of practical techniques for their implementation
and application in computer systems. <Wikipedia>
•
I invite all of you to answer to this question
– Check out the explanation on ‘idempotency’
posted by TA.
[email protected]
CS204 Discrete Math (Fall 2009)
4

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