Discrete Mathematics- Propositions and Principles

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50 Terms

1

Proposition 1.1. Let X and Y be finite sets. What is :

(a) |X × Y | =

(b) |X^n | =

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2

What is an Arrangement and what is meant by its length?

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3

What is STANDARD PROBLEM #1?

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4

What is STANDARD PROBLEM #2?

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5

What is the multiplication problem?

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6

What is a permutation?

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7

What is proposition 2.1?

If |S| = n, how many permutations are there?

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8

What is the Permute function?

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9

What is the addition principle?

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10

What is the meaning of “or” in a statement- What principle can we use?

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11

What is a combination?

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12

What do the multiplicities mean for an element in regards to combinations?

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13

What does the size of a combination mean?

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14

What is Standard Problem #3?

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15

What is Proposition 3.1.? n choose k is the same as n choose …

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16

What is Pascal’s formula (Proposition 3.2)?

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17

What is the binomial theorem? (Theorem 3.3)

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18

What is STANDARD PROBLEM #4?

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19

What is theorem 4.1?

Given a list of n objects of r different types, in which objects of type i occur ni times (with n1 + · · · + nr = n), the number of arrangements of the list is

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20

What is STANDARD PROBLEM #5?

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21

What is STANDARD PROBLEM #5?

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22

What is the number of k-combinations from n different objects with repetition and each object occurring at least once (Theorem 4.2)?

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23

What is the choose formula associated with SP#5

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24

What is the choose formula associated with SP#6

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25

What is extended definition of the choose function for real numbers/Macluarin’s theorem?

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26

What are the different cases for alpha in the extended binomial theorem.

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27

What is the principle of upper negation (Proposition 4.4)?

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28

What is 1/(1+x)^n as a power series?

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29

What is 1/(1-y)^n as a power series?

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30

What is the principle of mathematical induction?

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31

What is the pigeon-hole principle?

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32

What is the inclusion-exclusion principle?

Consult notes for example

<p>Consult notes for example</p>
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33

What is the union of three sets equal to (Proposition 5.2)

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34

What is the formula for the number of derangements?

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35

What is the general method for solving linear homogenous recurrence relations?

seek solutions of the form an = xn

<p>seek solutions of the form a<sub>n </sub>= x<sup>n</sup></p>
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36

When solving linear homogenous recurrence relations, what do you do if repeated roots occur?

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37

How to solve inhomogeneous linear recurrence relations?

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38

When solving linear homogenous recurrence relations, how do you determine the particular solution?

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39

When solving linear homogenous recurrence relations, what adjustments may need to be made to the particular solutions?

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40

what is the generating function for a sequence?

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41

What is Lemma 7.1? the useful results for generating functions?

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42

What are the different forms of generating functions?

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43

How are generating functions used to solve recurrence relations?

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44

What is a partition of a positive integer n

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45

What is the number of partitions p(n) of n in product and series notation?

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46

If an is a sequence with generating function f(x) , then the generating function for the sequence bn = nan is?

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47

What is the sum of all terms in an

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48
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