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June 29, 2015 05:56
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Dsicrete Mathematics - Mid solutions - 29th June
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Question - 1 Ǝ ∀ ˄˅ | |
a) A(Lois,Prof Michael) | |
b) ∀x S(x)-->A(x,Prof Gross) | |
c) | |
d) Some student has not asked any faculty member a question | |
Ǝx (S(x)˄∀y(F(y)-->~A(x,y) ) ) | |
e) There is a faculty member who has never been asked a question by a student. | |
Ǝx (F(x)˄ ∀y(S(y)-->~A(y,x) ) )] | |
f) | |
Ǝx (S(x)˄ ∀y(F(y)-->~A(x,y) ) )] | |
g) | |
Ǝx (F(x)˄ ∀y (F(y)˄ x!=y --> A(x,y) ) ) | |
h) | |
Ǝx (S(x)˄ ∀y (F(y)--> ˄ A(y,x) ) ) | |
------------------------------------- | |
Question 2 | |
a) True | |
b) True | |
c) True | |
d) True | |
e) True | |
f) False | |
g) True | |
h) False | |
Ǝ ∀ ˄ ˅ | |
------------------------- | |
Question 3 | |
a) True | |
b) False | |
c) False | |
d) True | |
----------------------------- | |
Question 4 | |
Direct, Indirect, Contradiction methods. | |
------------------------------- | |
Question 5 | |
Show that if n is an integer | |
------------------------------ | |
Question 6 | |
------------------------------- | |
Question 7 | |
Induction for Harmonic Equation | |
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