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5781

logic.
i am thinking none is correct. bcoz a and b gives true when there is no honest person c is not true.. as it implies "if someone likes someone then he is honest" closed

Anusha Motamarri asked in Mathematical Logic Dec 12, 2016

by Anusha Motamarri

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5782

Set theory
consider A={1,2,3,...........n} how many number of multisets are possible for A: 1:n^2 2:2^n 3:n^n 4;none

Hira Thakur asked in Set Theory & Algebra Nov 26, 2016

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2 votes

1 answer

5783

Chromatic Number

Çșȇ ʛấẗẻ asked in Graph Theory Aug 28, 2023

by Çșȇ ʛấẗẻ

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5784

Kenneth Rosen Edition 7 Exercise 2.5 Question 23 (Page No. 177)
Show that if $A$ is an infinite set, then it contains a countably infinite subset.

admin asked in Set Theory & Algebra Apr 21, 2020

by admin

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1 vote

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5785

Kenneth Rosen Edition 7 Exercise 2.3 Question 11 (Page No. 153)
Determine whether each of these functions form $[a,b,c,d]$ to itself is onto? $f(a)=b, f(b)=a,f(c)=c,f(d)=d$ $f(a)=b, f(b)=b,f(c)=d,f(d)=c$ $f(a)=d, f(b)=b,f(c)=c,f(d)=d$

Pooja Khatri asked in Mathematical Logic Apr 9, 2019

by Pooja Khatri

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5786

Allen Career Institute: Discrete Mathematics
A certain software was being tested by using error seeding strategy in which $22$ errors were seeded. $14$ of seeded errors were detected apart from $140$ unseeded errors when the code was tested using the complete test suit. Calculate the estimated no. of undetected errors in the code after complete testing _____

srestha asked in Combinatory Mar 22, 2019

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5787

Kenneth Rosen Edition 7 Exercise 1.7 Question 6 (Page No. 91)
Use a direct proof to show that the product of two odd numbers is odd.

Pooja Khatri asked in Mathematical Logic Mar 20, 2019

by Pooja Khatri

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5788

ISI-MTECH-CSE-PCB-2018
closed

jjayantamahata asked in Mathematical Logic May 14, 2018

by jjayantamahata

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5789

kenneth rosen
complete m arry tree is full m arry tree and vice versa is it true?

eyeamgj asked in Graph Theory Dec 16, 2017

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5790

relations
a relation is defined as (a , b) R ( c , d) iff a=c or b=d is R antisymmetric ?

A_i_$_h asked in Set Theory & Algebra Sep 14, 2017

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5791

Calculation Related Doubt
how to find such calculation in virtual gate calculator i not getting right answer ??

Çșȇ ʛấẗẻ asked in Mathematical Logic Jan 23, 2017

by Çșȇ ʛấẗẻ

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5792

TestBook Hasse Diagram question to find GLB
If [P(A); ⊆] is a lattice where A = {x, y} and P(A) is the power set then what is the sum of element in Greatest Lower Bound (GLB) set of given lattice? x + y x y 0

Sahil_Lather asked in Graph Theory Jan 27, 2023

by Sahil_Lather

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5793

Kenneth Rosen Edition 7 Exercise 6.5 Question 54 (Page No. 434)
How many ways are there to distribute five indistinguishable objects into three indistinguishable boxes?

admin asked in Combinatory May 1, 2020

by admin

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5794

Kenneth Rosen Edition 7 Exercise 2.5 Question 6 (Page No. 176)
Suppose that Hilbert’s Grand Hotel is fully occupied, but the hotel closes all the even numbered rooms for maintenance. Show that all guests can remain in the hotel.

admin asked in Set Theory & Algebra Apr 21, 2020

by admin

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1 vote

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5795

Ace booklet functions page:152 q.no 44
Let A, B, C are k element sets and let S be an n element set where k<=n. How many triples of functions f:A->S, g:B->S, h:C->S are there such that f, g and h are all injective and f(A) =g(B) =h(C) =?

chandan2teja asked in Set Theory & Algebra May 27, 2019

by chandan2teja

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5796

Kenneth Rosen Edition 7 Exercise 2.1 Question 20 (Page No. 126)
What is the cardinality of each of these sets? $\phi$ {$\phi$} {$\phi$,{$\phi$}} {$\phi$, {$\phi$},{$\phi$, {$\phi$}}}

Pooja Khatri asked in Set Theory & Algebra Apr 5, 2019

by Pooja Khatri

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5797

Clrs ex 5.2-2 chapter5 page133 4thedition
Hiring assistant. Initially assistant is NULL We have n candidates who hv come to interview for the position of assistant. Each candidate has distinct scores or level of qualifications. Now initially we have no assistant(stated earlier), so the first ... to solve this sum, and my answer is The best candidate comes in at kth position. Am I right? Thankyou.

yuyutsu asked in Combinatory May 1, 2023

201 views

2 votes

1 answer

5798

Discrete Mathematics | Propositional Logic | Test 1 | Question: 6
A compound sentence is a $\textit{tautology}$ if it is true independently of the truth values of its component atomic sentences. A sentence is $\textit{atomic}$ if it contains no sentential connectives. Now, consider the following statements: For any ... (iii) are correct (i),(iii) and (iv) are correct (i),(ii) and (iv) are correct

ankitgupta.1729 asked in Mathematical Logic Apr 11, 2023

by ankitgupta.1729

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5799

Kenneth Rosen Edition 7 Exercise 8.1 Question 7 (Page No. 510 - 511)
Find a recurrence relation for the number of bit strings of length $n$ that contain a pair of consecutive $0s$. What are the initial conditions? How many bit strings of length seven contain two consecutive $0s?$

admin asked in Combinatory May 1, 2020

by admin

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5800

Kenneth Rosen Edition 7 Exercise 1.7 Question 28 (Page No. 91)
Prove that $m^2 = n^2$ if and only if $m=n$ or m = -n.

Pooja Khatri asked in Mathematical Logic Apr 4, 2019

by Pooja Khatri

201 views

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