Logic Worksheet With Answers Page 17

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p  q
~(p  q)
~p  ~q
p q
~p
~q
T T
T
F
F
F
F
T F
F
T
F
T
T
F T
F
T
T
F
T
F F
F
T
T
T
T
Practice Ex: Prove the second De Morgan’s Law.
Ex:
a. The statement is given: “All students do homework on weekends and I do not”
The negation is: “Some students do not do homework on weekends or I do”
b. The statement is given: “Some college professors are entertaining lecturers or I’m
bored.”
The negation is: “No college professors are entertaining lecturers and I’m not bored.”
Part 7: Arguments and Truth Tables
An Argument consists of two parts:

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