WorksheetsRules of Inference
Total questions: 64
Worksheet time: 1hrs 26mins
What is the name of the following format of logical argument?
If A, then B.
A.
Therefore B.
Modus Ponens
Modus Tollens
Law of Syllogism
Disjunctive Syllogism
What is the name of the following format of logical argument?
If A, then B.
Not A.
Therefore not B.
Modus Ponens
Modus Tollens
Law of Syllogism
Disjunctive Syllogism
What is the name of the following format of logical argument?
If A, then B.
If B, then C
Therefore, if A then C.
Modus Ponens
Modus Tollens
Law of Syllogism
Disjunctive Syllogism
P1: If I am happy, then I smile.
P2: I am not smiling.
C: Therefore I am not happy.
Modus Ponens
Modus Tollens
Disjunctive Syllogism
Chain Argument
Constructive Dilemma
P1: If you go get gas, then you can drive your car.
P2: You cannot drive your car.
C: Therefore, you cannot go get gas.
Modus Ponens
Modus Tollens
Disjunctive Syllogism
Chain Argument
Constructive Dilemma
P1: If you're sick, then you must stay home.
P2: You're sick.
C: Therefore, you must stay home.
Modus Ponens
Modus Tollens
Disjunctive Syllogism
Chain Argument
Constructive Dilemma
P1: If Eagles are birds, then Eagles fly.
P2: Eagles are birds.
C: Therefore, eagles fly
Modus Ponens
Modus Tollens
Disjunctive Syllogism
Chain Argument
Constructive Dilemma
If you live in Orlando, then you live in Florida.
You live in Orlando.
If a whole number is even, then its square is divisible by 4.
The number I am thinking of is an even number.
Given: If an animal is a dog, then they like biscuits.
Sammy is a dog.
Conclusion: Sammy likes biscuits.
If possible, use the Law of Detachment to draw a conclusion from the two given statements. If not possible, write not possible.
Conditional: If x = 2, then 2x – 10 = –6.
Premise: x = 2
2x – 10 = –6
If 2x – 10 = –6, then x = 2
x = 2
not possible
If possible, use the Law of Detachment to draw a conclusion from the two given statements. If not possible, write not possible.
Conditional: If two lines do not intersect, then they are coplanar and parallel, or skew.
Premise: Lines AB and CD do not intersect.
Lines AB and CD are parallel and not coplanar.
Lines AB and CD are skew.
Lines AB and CD are parallel and coplanar or they are skew.
No Conclusion can be made.
If possible, use the Law of Detachment to draw a conclusion from the two given statements. If not possible, write not possible.
Conditional: If points lie on a line, then they are collinear.
Premise: Points X, Y, and Z are in line m.
They are not collinear.
They are collinear.
They are points.
No conclusion can be made.
Use the Law of Detachment to draw a conclusion from the two given statements. If not possible, write not possible.
Conditional: If Jack goes to school, then it is Monday.
Premise: Jack doesn't go to school.
Jack skipped school.
It isn't Monday.
It's Saturday.
Not Possible
Given: If an animal is a dog, then they like biscuits.
Sammy is a dog.
Conclusion: Sammy likes biscuits.
If I comb my hair, then I won't have tangles.
I have tangles.
Therefore, I didn't comb my hair.
Which law is being demonstrated?
Law of Detachment
Law of Syllogism
Law of Contrapositive
No law
If my team wins the game, then they will be the champions.
My team is the champion.
Therefore, my team won the game.
Which law is being demonstrated?
Law of Detachment
Law of Syllogism
Law of Contrapositive
No law
If you go to the mall, then you will spend money.
You didn't spend any money today.
What is the logical conclusion?
Therefore, you didn't go to the mall.
Therefore, you don't have any money.
Therefore, you went to the mall.
There is no logical conclusion.
If you don't feel well, then you stay home.
You feel well.
What is the logical conclusion?
Therefore, you stay home.
Therefore, you don't stay home.
Therefore, you don't feel well.
There is no logical conclusion.
How do you feel about the Laws of Logic now?
Great! I am ready to take a test!
Ok. I need to study my notes a bit more before I test.
Not good. I need to practice more and maybe even come to Flex. But I will retake this quiz before next class.
Identify the rule used in each of the following arguments:
A1: If you are a worthy, then you can lift the hammer.
A2: You cannot lift the hammer.
Conclusion: You are not worthy.
Resolution
Modus Tollens
Conjunction
Addition
Identify the rule used in each of the following arguments:
A1: If you are a fan of Marvel, then you should watch Doctor Strange in the Multiverse of Madness.
A2: I am from Nueva Ecija.
Conclusion: If you are a fan of Marvel, then you should watch Doctor Strange in the Multiverse of Madness and I am from Nueva Ecija.
Resolution
Disjunctive Syllogism
Addition
Conjunction
Identify the rule used in each of the following arguments:
A1: The number x is a prime number and is also even.
Conclusion: The number x is a prime number.
Conjunction
Addition
Simplification
None of the above
Identify all of the rules that are used in each of the following arguments:
A1: P →(Q ∨ R)
A2: P
A3: ¬R
Conclusion: Q
I. Modus Ponens
II. Addition
III. Simplification
IV. Conjunction
V. Modus Tollens
VI. Hypothetical Syllogism
VII. Disjunctive Syllogism
VIII. Resolution
I and II
I and IV
I and V
I and VII
Identify all of the rules that are used in each of the following arguments:
A1: P ∧ Q
A2: P→R
Conclusion: R
I. Modus Ponens
II. Addition
III. Simplification
IV. Conjunction
V. Modus Tollens
VI. Hypothetical Syllogism
VII. Disjunctive Syllogism
VIII. Resolution
IV and V
V and VI
I and III
I, II and III
Identify all of the rules that are used in each of the following arguments:
A1: (P → Q) ∨ (R → S)
A2: ¬(P → Q)∨ (W)
A3: ¬W
A4: ¬S
Conclusion: ¬R
I. Modus Ponens
II. Addition
III. Simplification
IV. Conjunction
V. Modus Tollens
VI. Hypothetical Syllogism
VII. Disjunctive Syllogism
VIII. Resolution
V, VII and VIII
I, II and IV
III, IV and VIII
None of the above
Identify all of the rules that are used in each of the following arguments:
A1: You are a good person
A2: You love your parents very much
A3: If you are a good person and loves your parents very much, then you will have a happy life
I. Modus Ponens
II. Addition
III. Simplification
IV. Conjunction
V. Modus Tollens
VI. Hypothetical Syllogism
VII. Disjunctive Syllogism
VIII. Resolution
I and II
I and III
I and IV
II and V
Identify all of the rules that are used in each of the following arguments:
A1: He likes Math and Science
A2: He is from Mars
A3: If he likes Math and is from Mars, then he is an alien
Conclusion: He is an alien.
I. Modus Ponens
II. Addition
III. Simplification
IV. Conjunction
V. Modus Tollens
VI. Hypothetical Syllogism
VII. Disjunctive Syllogism
VIII. Resolution
I and III
II and III
I, III and IV
I, II, III and V
Statement:
Some ketchup is kissan.
Some ketchup is tops.
No jam is ketchup.
Conclusion
I. Some kissans are tops.
ll. Some tops are ketchup.
lIl. Some jams are kissan.
If only conclusion 1 can be drawn from the given statements.
If only conclusion 2 can be drawn from the given statements
All conclusions can be drawn from the given statements.
None of the conclusions can be drawn from the given statements.
Statement:
Only a few Noise are Train
All Train are Eye
Only a few Eye are Music
Conclusion:
I:All Music can be Train
ll: No Noise is music
If only conclusion 1 can be drawn from the given statements.
If only conclusion 2 can be drawn from the given statements.
All conclusions can be drawn from the given statements
None of the conclusions can be drawn from the given statements.
Statement:
Some studio are hall
All hall are room
Only room is bag
Conclusion:
I. Some bag are hall
ll. Some studio are room
Ill. All Studio can be hall
If only conclusion 1 can be drawn from the given statements
If only conclusion 2 can be drawn from the given statements.
All conclusions can be drawn from the given statements.
None of the conclusions can be drawn from the given statements.
Statement:
Some squares are circles.
No circle is a triangle.
No line is a square
Conclusion
I. No triangle is a square.
ll. No line is a circle.
If only conclusion 1 can be drawn from the given statements.
If only conclusion 2 can be drawn from the given statements.
All conclusions can be drawn from the given statements
None of the conclusions can be drawn from the given statements
Statement:
All Petrol is Diesel
No Diesel is CNG
No CNG is LPG
Conclusion
I: All LPG can be Petrol
ll: Some Diesel are not LPG
If only conclusion 1 can be drawn from the given statements.
If only conclusion 2 can be drawn from the given statements
All conclusions can be drawn from the given statements.
None of the conclusions can be drawn from the given statements.
Statement:
All songs are poems.
All poems are rhymes.
No rhyme is paragraph.
Conclusion:
I. All rhymes are poems.
ll. All Songs are rhymes.
If only conclusion 1 can be drawn from the given statements.
If only conclusion 2 can be drawn from the given statements.
All conclusions can be drawn from the given statements.
None of the conclusions can be drawn from the given statements.
Statement:
Some boys are Students
Some students are girls
No girl is a boy
Conclusion:
I. All boys being girls is a possibility
Il. All girls being boys is a possibility
Ill. Some boys are girls
If only conclusion 1 can be drawn from the given statements
If only conclusion 2 can be drawn from the given statements.
All conclusions can be drawn from the given statements.
None of the conclusions can be drawn from the given statements.
.Statement:
Some A are B
Some B are D
Some Care A
Conclusion:
I. Some C are B
ll. Some D are not A
lll. No B is C
If only conclusion 1 can be drawn from the given statements.
If only conclusion 2 can be drawn from the given statements.
All conclusions can be drawn from the given statements.
None of the conclusions can be drawn from the given statements.
Statement:
Some stools are buns.
No bun is a globe.
All globes are hugs
Conclusion:
I. Some hugs are stools.
ll. Some globes are stools.
Ill. No hug is a stool.
If only conclusion 1 can be drawn from the given statements.
If only conclusion 2 can be drawn from the given statements.
All conclusions can be drawn from the given statements.
None of the conclusions can be drawn from the given statements
Statement:
Some lakers are swans.
Some swans are wells.
Some wells are screens.
Conclusion:
I. Some screens are swans.
ll. Some wells are lakers.
Ill. Some screens are lakers
If only conclusion 1 can be drawn from the given statements.
If only conclusion 2 can be drawn from the given statements.
All conclusions can be drawn from the given statements.
None of the conclusions can be drawn from the given statements
Statement:
All flaps are fingers.
All fingers are bails.
All bails are yens
Conclusion:
I. Some yens are fingers.
ll. Some bails are flaps.
Ill. Some yens are flaps
If only conclusion 1 can be drawn from the given statements.
If only conclusion 2 can be drawn from the given statements.
All conclusions can be drawn from the given statements.
None of the conclusions can be drawn from the given statements
Statement:
All sinks are links.
All links are barns.
Some barns are oranges.
Conclusion:
I. Some oranges are links.
ll. Some barns are sinks.
Ill. Some oranges are sinks
If only conclusion 1 can be drawn from the given statements.
If only conclusion 2 can be drawn from the given statements.
All conclusions can be drawn from the given statements.
None of the conclusions can be drawn from the given statements
Statement:
Only a few debits are credits.
A few credits are cash.
Conclusion:
I. Some cash are definitely not debits.
Il. All debits being cash is a possibility.
Ill. All debits being credits is a possibility.
If only conclusion 1 can be drawn from the given statements.
If only conclusion 2 can be drawn from the given statements.
All conclusions can be drawn from the given statements.
None of the conclusions can be drawn from the given statements
Statement:
Only a few volumes are display.
Only a few screens are volumes
Conclusion:
I. Some screens are definitely not display.
ll. All display being screens is a possibility
If only conclusion 1 can be drawn from the given statements.
If only conclusion 2 can be drawn from the given statements.
All conclusions can be drawn from the given statements.
None of the conclusions can be drawn from the given statements
Statement:
Only a few corners are nooks.
No nook is an edge.
No edge is a hole.
Conclusion:
I. All holes can never be corners.
Il. At least some nooks are holes.
Ill. Some edges can be corners.
If only conclusion 1 can be drawn from the given statements.
If only conclusion 2 can be drawn from the given statements.
If only conclusion 3 can be drawn from the given statements.
None of the conclusions can be drawn from the given statements
Given: If an animal is a dog, then they like biscuits.
Sammy is a dog.
Conclusion: Sammy likes biscuits.
If you live in Orlando, then you live in Florida.
You live in Orlando.
If a whole number is even, then its square is divisible by 4.
The number I am thinking of is an even number.
If you are at least 25 year old, then you can rent a car.
You can rent a car
Statement 1: If I study for one hour each day, then I will score well on the exam
Statement 2: I will score well on the exam
Given: If a point is the midpoint of a segment, then it divides the segment into two congruent segments.
R is the midpoint of QS.
Conclusion: QR=RS
If you go fishing, then you will need to bring your fishing rod.
You go fishing.
Statement 1: If you exercise regularly, then you have a healthy body
Statement 2: If you have a healthy body, then you have more energy
If the sun is shining it is a beautiful day. If it is a beautiful day then we will go go hiking.
If the sun is not shining, we will not go hiking.
If the sun is shining then we will go hiking.
No conclusion can be made.
If we go hiking, then it is a beautiful day.
If you go to the swimming pool, then you will enjoy yourself. If you enjoy yourself, you will want to return.
If you return to the pool you will enjoy yourself.
If you enjoy yourself, then you went to the pool.
If you go to the pool, you will want to return.
No conclusion can be made.
Which law of logic is this?
If I clean the bathroom, then I don't have to do the dishes.
I cleaned the bathroom.
Therefore, I don't have to do the dishes.
Law of Detachment
Law of Syllogism
Law of Contrapositive
None
∠A is 40⁰.
Using the Law of Detachment, what is the logical statement to conclude?
If Jack goes to school, then it is Monday.
Jack doesn't go to school.
Use the Law of Detachment to draw a conclusion from the two given statements. If not possible, write not possible.
Statement 1: If I study for one hour each day, then I will score well on the exam
Statement 2: I will study from 6pm to 7pm tonite.
I study for several hours each day.
I will do well on the exam
If I do well on the exam, I studied for hours.
not possible
If it is snowing heavily, then school will be canceled.
If school is canceled, the big test will not be given today.
It is snowing heavily, then...
If a quadrilateral is a rhombus, then it is a parallelogram.
If a quadrilateral is a parallelogram, then its opposite angles are congruent.
q→r
∴p→r
Which law is modeled?
p
∴q
Which law is modeled?
If a number is divisible by 10, then it is divisible by 2. If a number is divisible by 2, then it is even.
If the perimeter of a square is 20 ft, then the length of a side is 5 ft.
If the length of a side of a square is 5 ft, then the area is 25 ft2.
Write the if-then statement that follows from the pair of true statements.If chris goes to the movies, then Todd will go to the movies. If Todd goes to the movies, then Sarah will go to the movies.
If Chris goes to the movies, then Sarah will go to the movies.
