题海让大学四年没有难题
白天模式登陆

题目详情

单选题 What does Principle of Inclusion means?( )

A. elements with an even number of properties not have a sign

B. elements with an even number of properties have a sign (-)

C. elements with an even number of properties have a sign (+)

离散数学课程封面

学科：离散数学

时间：2023-11-28 03:27:40

相关题目

相关作业

题目1
单选题
How we can call this function <img src="https://tihai-oss-cloud.itihey.com/img/31ecf501e81b3f5a468b031889c0ffb2.jpg">?( )
A. EnumeratorB. agrigatorC. combinator
题目2
单选题
Algebra A = &lt; R; +, - &gt; is called( )
A. A field of rational numbersB. A field of natural numbersC. A field of real numbers
题目3
单选题
What does Principle of Inclusion means?( )
A. elements with an even number of properties not have a signB. elements with an even number of properties have a sign (-)C. elements with an even number of properties have a sign (+)
题目4
单选题
What means the logic of statements? ( )
A. some algebraic operation with statementsB. analyze the content side of the statementC. determine whether a certain statement is true or false at the moment
题目5
单选题
Permutations with unlimited repetition is?( )
A. Permutations from elements of a given classB. Permutations from elements of a given specificationC. Permutations from elements of a given type
题目6
单选题
A combinatorics is( )
A. the field of matheatics, that studies how many different multiplications , subject to certainconditions, can be made up of given objectsB. the field of matheatics, that studies how many different combinations, subject to certain conditions,can be made up of given objectsC. the field of matheatics, that studies how many different additions, subject to certain conditions, can be made up of given objects
题目7
单选题
Are the following sentences propositions? ___________.a) 2 + 3 = 5 b) x + 2 = 11 c) 3 +2 = 8 if 5-2 = 7
A. Yes, No, YesB. No, Yes, YesC. No, No, NoD. Yes, Yes, Yes
题目8
单选题
Let A= {0, 2, 4, 6, 8, 9,10}, B= {0, 1, 2, 3, 4, 5, 6}, and C= {4, 5, 6, 7, 9, 10} , Find A<img src="https://tihai-oss-cloud.itihey.com/img/ae475f0158bd43dff71697258343fd76.png">B<img src="https://tihai-oss-cloud.itihey.com/img/ae475f0158bd43dff71697258343fd76.png">C ________
A. {0, 2}B. {4, 6}C. {2, 4}D. {6, 8}
题目9
单选题
Let P(x) be the statement &quot;the word x contains the letter e.&quot; What are these truth values? __________. a) P(orange). b) P(Lemon)
A. F,TB. F, FC. T, FD. T, T
题目10
单选题
What is the cardinality of the vowel set {&Oslash;,a, {a}, {a,{a}}}__________
A. 1B. 3C. 4D. 2
Copyright © 2022 津ICP备2021001502号