venn diagrams “venn diagrams are the principal way of showing sets diagrammatically. the method...
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![Page 1: VENN DIAGRAMS “VENN DIAGRAMS are the principal way of showing sets diagrammatically. The method consists primarily of entering the elements of a set](https://reader036.vdocuments.us/reader036/viewer/2022062314/56649dc65503460f94ab9e23/html5/thumbnails/1.jpg)
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WHAT IS A VENN DIAGRAM?
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VENN DIAGRAMS
“VENN DIAGRAMS are the principal way of showing sets diagrammatically. The method consists primarily of entering the elements of a set into a circle or circles.”
Ric Pimentel & Terry Wall,IGCSE Mathematics.
Cambridge, 1997, p. 32
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VENN DIAGRAMS
“VENN DIAGRAMS are the principal way
of showing sets
diagrammatically. The method consists primarily of entering the
elements of a set into a circle or circles.”
Ric Pimentel & Terry Wall,IGCSE Mathematics.
Cambridge, 1997, p. 32
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What is a SET?
What are ELEMENTS?
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VENN DIAGRAMS
SETS: a defined group of objects or symbols.ELEMENTS: objects or symbols inside a SET.
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WHAT NAME WOULD YOU GIVE TO THE FOLLOWING SET?
PEN
PENCIL
CALCULATOR
BOOK
NOTEBOOK
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LIST ALL THE ELEMENTS OF THIS SET
PEN
PENCIL
CALCULATOR
BOOK
NOTEBOOK
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LIST ALL THE ELEMENTS OF THIS SET
PEN
PENCIL
CALCULATOR
BOOK
NOTEBOOK
ELEMENTS:• pen• book• calculator• pencil• notebook
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THIS IS A SET THAT DESCRIBES THINGS THAT YOU CAN USE TO WRITE:
PEN
PENCIL
MARKER
CRAYON
COLORS
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THIS TWO ELEMENTS ARE ALSO ELEMENTS OF THE PREVIOUS SET!!
PEN
PENCIL
MARKER
CRAYON
COLORS
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Let’s call the PURPLE SET “SET A”, and the GREEN SET “SET B”.
PEN
PENCIL
CALCULATOR
BOOK
NOTEBOOK
MARKER
CRAYON
COLORS
A B
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List all the elements of A.
PEN
PENCIL
CALCULATOR
BOOK
NOTEBOOK
MARKER
CRAYON
COLORS
A B
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List all the elements of A.
ELEMENTS:• pen• book• calculator• pencil• notebook
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List all the elements of B.
PEN
PENCIL
CALCULATOR
BOOK
NOTEBOOK
MARKER
CRAYON
COLORS
A B
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List all the elements of B.
ELEMENTS:• pen• pencil• marker• crayon• colors
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USING “SET NOTATION”
A = {pen, book, calculator, pencil, notebook}
B = {pen, pencil, marker, crayon, colors}
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USING “SET NOTATION”
A = {pen, book, calculator, pencil, notebook}
B = {pen, pencil, marker, crayon, colors}
KEYS
CAPITAL LETTER
COMMA
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List all the elements of the intersection (and) of A and B and
of the union (or) of A and B.
PEN
PENCIL
CALCULATOR
BOOK
NOTEBOOK
MARKER
CRAYON
COLORS
A B
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List all the elements that are not in A (A complement).
PEN
PENCIL
CALCULATOR
BOOK
NOTEBOOK
MARKER
CRAYON
COLORS
A B
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List all the elements that are not in B (B complement).
PEN
PENCIL
CALCULATOR
BOOK
NOTEBOOK
MARKER
CRAYON
COLORS
A B