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Worksheets

Logic Statements

Total questions: 18

Worksheet time: 12mins

Name
Class
Date
1.

What symbol represents a conjunction?

a)

 ∨\vee  

b)

 ∧\wedge  

c)

 ⊥\perp  

d)

 ∼\sim  

2.

What symbol represents a disjunction?

a)

∨\vee

b)

∧\wedge

c)

⊥\perp

d)

≅\cong

3.

Two statements connected by the word "and" is

a)

A disjunction

b)

A conjunction

4.

A conjunction is true only if

a)

Both statements are false

b)

Both statements are true

c)

One statement is true

d)

One statement is false

5.

A disjunction is true if

a)

Both statements are false

b)

Only one statement is true

c)

At least one statement is true

6.

Negate the statement:

"I love Geometry"

a)

Geometry I love

b)

If I love Geometry, then I do not love Geometry

c)

If and only if I love Geometry

d)

I do not love Geometry

7.
This symbol, ∨, means?
a)
and
b)
or
c)
not
d)
implies
8.

Determine the truth values of the following compound statements.

 77  is a factor of  2121   and  8484  

a)

True

b)

False

9.

Determine the truth values of the following compound statements.

February or October has  3030   days.

a)

True

b)

False

10.

Determine the truth values of the following compound statements.

 15+7<2715+7<27  and  2×8=282×8=28  

a)

True

b)

False

11.

Determine the truth values of the following compound statements.

 2727  is a multiple of  77  or  (−2)2<0\left(-2\right)^2<0  

a)

True

b)

False

12.

Determine the truth values of the following compound statements.

 4949  is a perfect square or a prime number

a)

True

b)

False

13.

Determine the truth values of the following compound statements.

 22  minutes =  120120  seconds and  22  hours =  1212  minutes

a)

True

b)

False

14.

Let p and q represent the following simple statements;

p: Frank plays football.

q: Jamir runs track.

r: Edwin plays soccer.


Write each compound statements in symbolic form.


Frank plays football and Jamir runs track.

a)

p→q

b)

p↔q

c)

p Λ q

d)

p v q

15.

Let p and q represent the following simple statements;

p: Frank plays football.

q: Jamir runs track.

r: Edwin plays soccer.


Write each compound statements in symbolic form.


Edwin plays soccer or Frank does not play football.

a)

r⟶∼pr\longrightarrow\sim p

b)

r∨∼pr\vee\sim p

c)

r∧∼pr\wedge\sim p

d)

r⟷∼pr\longleftrightarrow\sim p

16.
Used to prove that a conjecture is false.
a)
Counterexample
b)
Inductive Reasoning
c)
Concluding statement
d)
Conjecture
17.
What is the symbol for NOT (negation)?
a)
∕
b)
∨
c)
~
d)
∧
18.
What are the next 2 numbers of this pattern?
23, 27, 31, 35, ___, ___
a)
37, 39
b)
40, 45
c)
39, 43
d)
38, 41