Descrete Structures

Question 1

The elements that belong
to set A or set B but not both

Answer 1

Symmetric Difference

Question 2

A relation in which the first element is
related to the second element and the second
element is related back to the first

Answer 2

Symmetric

Question 3

A relation in which the first element
related to the second element and the second
element related to the third element implies the
first element is also related to the third element

Answer 3

Transitive

Question 4

The set operation that combines the
elements of two or more sets

Answer 4

Union

Question 5

A list of items that have something in common

Answer 5

Set

Question 6

A function in which every
element of the codomain is mapped from an
element of the domain

Answer 6

Onto( surjection)

Question 7

A set of ordered pairs a directed graph
can illustrate

Answer 7

Relation

Question 8

set operation that
results in a set containing the elements that remain
when the second set is subtracted from the first
set

Answer 8

Relative compliment

Question 9

If every element in one set is also
element of a second set

Answer 9

Subset

Question 10

A relation in which each element is
related to itself

Answer 10

Reflexive

Question 11

The set of all possible subsets for a
single set

Answer 11

Power set

Question 12

A function that maps
each element of the domain to only one element in
the codomain

Answer 12

One to one(injection)

Question 13

The set of all image values of a function

Answer 13

Range

Question 14

The set of elements that two or
more sets have in common

Answer 14

Intersection

Question 15

Sets that have no common elements

Answer 15

Disjoint

Question 16

The output element of a function for a
given input

Answer 16

Image

Question 17

An item in a set

Answer 17

The output element of a function for a
given input

Question 18

set of ordered pairs depicting all
relations between the domain and codomain of a
function

Answer 18

Graph

Question 19

A relation between two sets in which
every element of the domain is related to one
element of the codomain

Answer 19

Function

Question 20

All elements of the
universal set, minus the elements of the set under
consideration

Answer 20

Absolute complement

Question 21

A function from A to B that
is also a function from B to A (must be both One-
to-One and Onto for this to be true)

Answer 21

Invertible (bijection)

Question 22

The number of elements in a set

Answer 22

Cardinality

Question 23

The set of all possible ordered
pairs between two sets

Answer 23

Cartesian product

Question 24

series of
functions linked together where the codomain of
one function is the domain of the next function

Answer 24

Composition ( composite function)