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Recent questions in Discrete Mathematics
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2011
Kenneth Rosen Edition 7 Exercise 1.4 Question 41 (Page No. 55)
Express each of these system specifications using predicates, quantifiers, and logical connectives. At least one mail message, among the nonempty set of messages, can be saved if there is a disk with more than 10 kilobytes of free ... participant on the conference call whom the host of the call did not put on a special list was billed.
Express each of these system specifications using predicates, quantifiers, and logical connectives.At least one mail message, among the nonempty set of messages, can be s...
Pooja Khatri
1.2k
views
Pooja Khatri
asked
Mar 18, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
mathematical-logic
propositional-logic
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0
votes
0
answers
2012
Kenneth Rosen Edition 7 Exercise 1.4 Question 40 (Page No. 55)
Express each of these system specifications using predicates, quantifiers, and logical connectives. When there is less than 30 megabytes free on the hard disk, a warning message is sent to all users. No directories in the file ... are at least 8 megabytes of memory available and the connection speed is at least 56 kilobits per second.
Express each of these system specifications using predicates, quantifiers, and logical connectives.When there is less than 30 megabytes free on the hard disk, a warning m...
Pooja Khatri
843
views
Pooja Khatri
asked
Mar 18, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
mathematical-logic
propositional-logic
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0
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0
answers
2013
Kenneth Rosen Edition 7 Exercise 1.4 Question 39 (Page No. 55)
Translate these specifications into English where $F(p)$ is Printer $p$ is out of service, $B(p)$ is Printer $p$ is busy, $L(j )$ is Print job $j$ is lost, and $Q(j )$is Print job $j$ ... $(\forall p B(p) \wedge \forall j Q(j)) \rightarrow \exists j L(j)$
Translate these specifications into English where $F(p)$ is“Printer $p$ is out of service,”$B(p)$ is “Printer $p$ is busy,”$L(j )$ is “Print job $j$ is lost,”...
Pooja Khatri
513
views
Pooja Khatri
asked
Mar 18, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
mathematical-logic
propositional-logic
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0
votes
0
answers
2014
Kenneth Rosen Edition 7 Exercise 1.4 Question 38 (Page No. 55)
Translate these system specifications into English where the predicate $S(x,y)$ is $x$ is in state $y$ and where the domain for $x$ and $y$ consists of all system and all possible states, respectively. $\exists x S(x, open)$ ... $\exists x \sim S(x, available )$ $\forall x \sim S(x, working)$
Translate these system specifications into English where the predicate $S(x,y)$ is “$x$ is in state $y$ “ and where the domain for $x$ and $y$ consists of all system ...
Pooja Khatri
321
views
Pooja Khatri
asked
Mar 18, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
mathematical-logic
propositional-logic
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0
votes
0
answers
2015
Kenneth Rosen Edition 7 Exercise 1.4 Question 37 (Page No. 55)
Express each of these statements using predicates and quantifiers. A passenger on an airline qualifies as an elite flyer if the passenger flies more than 25,000 miles in a year or takes more than 25 flights during that year. A man ... degree. There is a student who has taken more than 21 credit hours in a semester and received all A's.
Express each of these statements using predicates and quantifiers.A passenger on an airline qualifies as an elite flyer if the passenger flies more than 25,000 miles in a...
Pooja Khatri
668
views
Pooja Khatri
asked
Mar 18, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
mathematical-logic
propositional-logic
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0
votes
0
answers
2016
Kenneth Rosen Edition 7 Exercise 1.4 Question 36 (Page No. 55)
Find a counterexample, if possible, to these universally quantified statements, where the domain for all variables consists of all real numbers. $\forall x (x^2 \neq x)$ $\forall x (x^2 \neq 2)$ $\forall x (|x| >0)$
Find a counterexample, if possible, to these universally quantified statements, where the domain for all variables consists of all real numbers.$\forall x (x^2 \neq x)$$\...
Pooja Khatri
314
views
Pooja Khatri
asked
Mar 18, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
mathematical-logic
propositional-logic
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0
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0
answers
2017
Kenneth Rosen Edition 7 Exercise 1.4 Question 35 (Page No. 55)
Find a counterexample, if possible, to these universallyquantified statements, where the domain for all variablesconsists of all integers. $\forall x(x^2 >= x)$ $\forall x (x>0 \vee x<0)$ $\forall x (x=1)$
Find a counterexample, if possible, to these universallyquantified statements, where the domain for all variablesconsists of all integers.$\forall x(x^2 >= x)$$\forall x ...
Pooja Khatri
194
views
Pooja Khatri
asked
Mar 18, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
propositional-logic
mathematical-logic
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0
votes
0
answers
2018
Kenneth Rosen Edition 7 Exercise 1.4 Question 33 (Page No. 55)
Express the negation of these propositions using quantifiers, and then express the negation in English. Some drivers do not obey the speed limit. All Swedish movies are serious. No one can keep a secret. There is someone in this class who does not have a good attitude.
Express the negation of these propositions using quantifiers, and then express the negation in English.Some drivers do not obey the speed limit.All Swedish movies are ser...
Pooja Khatri
629
views
Pooja Khatri
asked
Mar 18, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
mathematical-logic
propositional-logic
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0
votes
0
answers
2019
Kenneth Rosen Edition 7 Exercise 1.4 Question 33 (Page No. 55)
Express each of these statements using quantifiers. Then form the negation of the statement so that no negation is to the left of quantifier. Next, express the negation in simple English. (Do not simply use the phrase It is not the ... can fly. There is no dog that can talk. There is no one in this class who knows French and Russian.
Express each of these statements using quantifiers. Then form the negation of the statement so that no negation is to the left of quantifier. Next, express the negation i...
Pooja Khatri
470
views
Pooja Khatri
asked
Mar 18, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
mathematical-logic
propositional-logic
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0
votes
0
answers
2020
Kenneth Rosen Edition 7 Exercise 1.4 Question 32 (Page No. 55)
Express each of these statements using quantifiers. Then form the negation of the statement so that no negation is to the left of quantifier. Next, express the negation in simple English. (Do not simply use the phrase It is not ... add. Every koala can climb. No monkey can speak French. There exists a pig that can swim and catch fish.
Express each of these statements using quantifiers. Then form the negation of the statement so that no negation is to the left of quantifier. Next, express the negation i...
Pooja Khatri
530
views
Pooja Khatri
asked
Mar 18, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
mathematical-logic
propositional-logic
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–
1
votes
1
answer
2021
Kenneth Rosen Edition 7 Exercise 1.4 Question 31 (Page No. 54)
Suppose that the domain of $Q(x,y,z)$ consists of triples $x,y,z,$ where $x=0,1$ or $2$ , $y=0$ or $1,$ and $z=0$ or $1.$ Write out these propositions using disjunctions and conjunctions. $a)$ $\forall y \;\;\;Q(0, y, 0)$ $b)$ $\exists x\; \;\; Q(x, 1, 1)$ $c)$ $\exists z \;¬Q(0, 0, z)$ $d)$ $\exists x\;¬Q(x, 0, 1)$
Suppose that the domain of $Q(x,y,z)$ consists of triples $x,y,z,$ where $x=0,1$ or $2$ , $y=0$ or $1,$ and $z=0$ or $1.$ Write out these propositions using disjunctions ...
Pooja Khatri
557
views
Pooja Khatri
asked
Mar 18, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
mathematical-logic
first-order-logic
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0
votes
0
answers
2022
Kenneth Rosen Edition 7 Exercise 1.4 Question 30 (Page No. 54)
Suppose the domain of the propositional function $P(x,y)$ consists of pairs $x$ and $y$ , where $x$ is 1,2 or 3 and $y$ is 1,2 or 3 . Write out these propositions using disjunctions and conjunctions. $\exists x P(x,3)$ $\forall y P(1,y)$ $\exists y \sim p(2,y)$ $\forall x \sim P(x,2)$
Suppose the domain of the propositional function $P(x,y)$ consists of pairs $x$ and $y$ , where $x$ is 1,2 or 3 and $y$ is 1,2 or 3 . Write out these propositions using d...
Pooja Khatri
443
views
Pooja Khatri
asked
Mar 18, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
mathematical-logic
propositional-logic
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3
votes
0
answers
2023
Kenneth Rosen Edition 7 Exercise 2.2 Question 49 (Page No. 137)
Find ${\displaystyle \bigcup _{i=1}^{\infty }A_{i}} and \bigcup_{i=1}^{\infty} A_{i}$ if for every positive integer i, a) Ai = {i, i + 1, i + 2, . . .}. b) Ai = {0, i}. c) Ai = (0, i), that is, the set of real numbers x with 0 < x < i. d) Ai = (i,∞), that is, the set of real numbers x with x > i.
Find ${\displaystyle \bigcup _{i=1}^{\infty }A_{i}} and \bigcup_{i=1}^{\infty} A_{i}$ if for every positive integer i,a) Ai = {i, i + 1, i + 2, . . .}.b) Ai = {0, i}.c) A...
sumitr
535
views
sumitr
asked
Mar 17, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
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0
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0
answers
2024
Graph Decomposition
What is Graph Decomposition & is it in the syllabus? If it is then please can anyone share some online resources for it. Thank you.
What is Graph Decomposition & is it in the syllabus?If it is then please can anyone share some online resources for it. Thank you.
noxevolution
251
views
noxevolution
asked
Mar 17, 2019
Graph Theory
graph-theory
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0
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0
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2025
Kenneth Rosen Edition 7 Exercise 1.4 Question 28 (Page No. 54)
Translate each of these statements into logical expression using predicates, quantifiers, and logical connectives. Something is not in the correct place. All tools are in the correct place and are in excellent condition. Everyone is in ... in excellent condition. One of your tools is not in the correct, but it is in excellent condition.
Translate each of these statements into logical expression using predicates, quantifiers, and logical connectives.Something is not in the correct place.All tools are in t...
Pooja Khatri
686
views
Pooja Khatri
asked
Mar 16, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
mathematical-logic
propositional-logic
+
–
0
votes
0
answers
2026
Kenneth Rosen Edition 7 Exercise 1.4 Question 27 (Page No. 54)
Translate each of these statements into logical expression in three different ways by varying the domain and by using predicates with one and with two variables. A student in your school has lived in Vietnam. There is a student in ... Prolog, and C++. Everyone in your class enjoys Thai food. Someone in your class does not play hockey.
Translate each of these statements into logical expression in three different ways by varying the domain and by using predicates with one and with two variables.A student...
Pooja Khatri
1.3k
views
Pooja Khatri
asked
Mar 16, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
mathematical-logic
propositional-logic
+
–
0
votes
0
answers
2027
Kenneth Rosen Edition 7 Exercise 1.4 Question 26 (Page No. 54)
Translate each of these statements into logical expression in three different ways by varying the domain and by using predicates with one and with two variables. Someone in your school has visited Uzbekistan. Everyone in your class ... person in your school who is not happy. Everyone in your school was born in the twentieth century.
Translate each of these statements into logical expression in three different ways by varying the domain and by using predicates with one and with two variables.Someone i...
Pooja Khatri
664
views
Pooja Khatri
asked
Mar 16, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
mathematical-logic
propositional-logic
+
–
0
votes
0
answers
2028
Kenneth Rosen Edition 7 Exercise 1.4 Question 22 (Page No. 54)
For each of these statements find a domain for which the statement is true and a domain for which the statement is false. Everyone speak Hindi. There is someone older than 21 years. Everyone two people have the same first name. Someone knows more than two other people.
For each of these statements find a domain for which the statement is true and a domain for which the statement is false.Everyone speak Hindi.There is someone older than ...
Pooja Khatri
772
views
Pooja Khatri
asked
Mar 16, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
mathematical-logic
propositional-logic
+
–
0
votes
1
answer
2029
Kenneth Rosen Edition 7 Exercise 1.4 Question 21 (Page No. 54)
For each fo these statements find a domain for which the statements is true and a domain for which the statement is false. Everyone is studying discrete mathematics. Everyone is older than 21 years. Everyone two people have the same mother. No two different people have the same grandmother.
For each fo these statements find a domain for which the statements is true and a domain for which the statement is false.Everyone is studying discrete mathematics.Everyo...
Pooja Khatri
6.2k
views
Pooja Khatri
asked
Mar 16, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
mathematical-logic
propositional-logic
+
–
0
votes
0
answers
2030
Kenneth Rosen Edition 7 Exercise 1.4 Question 20 (Page No. 54)
Suppose that the domain of the propositional function $P(x)$ consists of $-5,-3,-1,1,3,5.$ Express these statements without using quantifiers, instead using only negations, disjunctions, and conjunctions. $\exists x p(x)$ $\forall x p(x)$ ... $\exists x (\sim p(x)) \wedge \forall x ((x<0) \rightarrow p(x))$
Suppose that the domain of the propositional function $P(x)$ consists of $-5,-3,-1,1,3,5.$ Express these statements without using quantifiers, instead using only negation...
Pooja Khatri
450
views
Pooja Khatri
asked
Mar 16, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
mathematical-logic
propositional-logic
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