Set Theory And Venn Diagrams Pdf
The emphasis should be made while translating the sentences into areas of the venn diagram.
Set theory and venn diagrams pdf. The set of all elements being considered is called the universal set u and is represented by a rectangle. The complement of a is denoted a. Operations on sets and venn diagrams objectives. Most of the set thoery formulas of cat in this section can be deduced logically with little effort.
Since the data refers to two categories we will use a two circle diagram. A b ca b c given a a subset of u thecomplement of a is the subset of u consisting of all elements not in a. Let a be the set of people who believe that they have been abducted by space. Sets and venn diagrams.
Sets and venn diagrams is one of the easiest topics of cat. A venn diagram is useful in organizing the information in this type of problem. Do not skip it. In this lesson you are expected to.
Set theory and venn diagrams a set is a well defined collection of distinct objects called elements. Let u be the set of people who were surveyed. A set can be described ɛ denotes the universal set. The purpose of this module is to introduce language for talking about sets and some.
Let e be the set of people who believe that elvis is still alive. Apply set operations to solve a variety of word problems. The concepts of intersection union and complement as well as the corresponding notation are also used in venn diagrams as we can shade parts of a diagram to represent a certain set. While solving pay careful attention to phrases like and or.
A set can be a defined by a list. Note to the teacher this is an important lesson. The following diagrams show the set operations and venn diagrams for complement of a set disjoint sets subsets intersection and union of sets. Mathematics revision guides set theory and venn diagrams page 2 of 26 author.
This is the set containing all of the elements being considered. Solve word problems involving sets with the use of venn diagrams 2. A set is a collection of items which can be letters numbers or any random objects. Scroll down the page for more examples and solutions.
Mark kudlowski set theory from 2017 this is an introduction to the theory of sets and the use of venn diagrams. Set theory example 1 3 4. The venn diagram makes the situation easy to visualise. Why is the number 10 missing from this venn diagram.
The venn diagram opposite displays the whole situation. Furthermore any time parentheses are involved a notation statement that piece of the corresponding venn diagram is shaded first. Venn diagrams illustrating the sets a b c and a b c.