Recent activity by Navneet Srivastava / GATE Overflow for GATE CSE

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Kenneth Rosen Edition 7 Exercise 1.2 Question 16 (Page No. 23)
An explorer is captured by a group of cannibals. There are two types of cannibals-those who always tell the truth and those who always lie. The cannibals will barbecue the explorer unless he can determine whether a ... .stackexchange.com/questions/1078866/is-this-a-correct-solution-to-determining-which-of-two-people-is-the-liar-using

An explorer is captured by a group of cannibals. There are two types of cannibals—those who always tell the truth and those who always lie. The cannibals will barbecue ...

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commented Jul 14, 2017

4 answers

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Discrete mathematics example 13 Kenneth rosen
How can sentence be translated into a logical expression ? "You can't ride the roller coaster if you are under 4 feet tall unless you are older than 16 years old". Can answer be (!s->r)->!q Where q= You can ride the roller coaster r=You are under 4 feet tall s= You are older than 16 years old

How can sentence be translated into a logical expression ?"You can't ride the roller coaster if you are under 4 feet tall unless you are older than 16 years old".Can answ...

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commented Jul 13, 2017

2 answers

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Kenneth Rosen Edition 6th Exercise 1.1 Question 20 (Page No. 18)
Write each of these statements in the form if p, then q in English. [Hint: Refer to the list of common ways to express conditional statements] I will remember to send you the address only if you send me an e-mail ... have a valid password to log on to the server. You will reach the summit unless you begin your climb too late.

Write each of these statements in the form “if p, then q” in English. [Hint: Refer to the list of common ways to express conditional statements]I will remember to sen...

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answered Jul 11, 2017

3 answers

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Kenneth Rosen Edition 7 Exercise 1.1 Question 4 (Page No. 12)
What is the negation of each of these propositions? Jennifer and Teja are friends. There are 13 items in a baker’s dozen. Abby sent more than 100 text messages every day. 121 is a perfect square.

What is the negation of each of these propositions?Jennifer and Teja are friends.There are 13 items in a baker’s dozen.Abby sent more than 100 text messages every day.1...

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commented Jul 9, 2017

1 answer

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Kenneth Rosen Edition 6th Exercise 1.5 Question 9 a (Page No. 73)
How do I proceed with the question below and then solve it? For each sets of premises, what relevant conclusion or conclusions can be drawn? Explain the rules of inference used to obtain each conclusion from the premises. " ... ; "It did not snow on Thursday." Please help me in regard with this question. Thank You.

How do I proceed with the question below and then solve it?For each sets of premises, what relevant conclusion or conclusions can be drawn? Explain the rules of inference...

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commented Sep 2, 2016

0 answers

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Kenneth Rosen Discrete Mathematics 7e Chapter 1
Please help me solve these questions. Question 1 : Determine whether following propositions are equivalent. Justify your answers. 1. ∀x (P(x) → Q(x)) and ∀x (P(x)) → ∀x (Q(x)). 2. ... . ∃x! (P(x)) →¬ ∀x P(x) Do provide explanation wherever possible Thank You.

Please help me solve these questions.Question 1 : Determine whether following propositions are equivalent. Justify your answers.1. ∀x (P(x) → Q(x)) and &foral...

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asked Jul 8, 2016

1 answer

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Kenneth Rosen Edition 6th Exercise 1.3 Example 19 (Page No. 39)
Can someone please explain the following solution. Ques: Show that ∀x(P(x) ∧ Q(x)) and ∀xP(x) ∧ ∀xQ(x) are logically equivalent (where the same domain is used throughout). This logical equivalence shows that we can distribute a universal quantifier over a ... Q(x)) is true. We can now conclude that ∀x(P(x) ∧ Q(x)) ≡ ∀xP(x) ∧ ∀xQ(x).

Can someone please explain the following solution.Ques: Show that ∀x(P(x) ∧ Q(x)) and ∀xP(x) ∧ ∀xQ(x) are logically equivalent (where the same domain is used th...

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asked Jul 1, 2016

1 answer

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Kenneth Rosen Edition 6th Exercise 1.3 Example 17 (Page No. 38)
The restriction of a universal quantification is the same as the universal quantification of a conditional statement. For instance, ∀x < 0 (x2 > 0) is another way of expressing ∀x(x < 0 ... whereas existential quantification is same as existential quantification of a conjunction? Please provide proper details. Thank You.

The restriction of a universal quantification is the same as the universal quantificationof a conditional statement. For instance, ∀x < 0 (x2 0) is another way of expr...

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asked Jul 1, 2016

1 answer

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What is the solution for this ‎Discrete Mathematics puzzle?
Also, explain the question along with your answer. Thank You.

Also, explain the question along with your answer. Thank You.

1.3k views

asked Jun 19, 2016

2 answers

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How can this English sentence be translated into a logical expression?
"You cannot ride the roller coaster if you are under 4 feet tall unless you are older than 16 years old" The answer in Kenneth Rosen is Let q,r, and s represent "You can ride the roller coaster." " ... " a represent "You are under 4 feet tall" then, (c⟶a) ⟶ ¬q.

"You cannot ride the roller coaster if you are under 4 feet tall unless you are older than 16 years old"The answer in Kenneth Rosen is Let q,r, and s represent "You can r...

9.3k views

asked May 9, 2016

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