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WorksheetsLogic and Truth
Total questions: 18
Worksheet time: 9mins
Premise 1: Some people are doctors.
Premise 2: John is a person.
____________________________
Conclusion: Therefore, John is a doctor.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
Premise 1: All squares are rectangles.
Premise 2: This shape is a rectangle (assume this is true).
_____________________________________
Conclusion: Therefore, this shape is a square.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
Premise 1: All fish swim.
Premise 2: Dolphins swim.
_____________________________
Conclusion: Therefore, dolphins are fish.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
Premise 1: All cats are mammals.
Premise 2: All dogs are mammals.
_________________________
Conclusion: Therefore, all cats are dogs.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
Premise 1: Some cars are red.
Premise 2: My car is blue.
_____________________________
Conclusion: Therefore, my car is faster than red cars.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
Premise 1: All mammals have a backbone.
Premise 2: A whale is a mammal.
______________________________
Conclusion: Therefore, a whale has a backbone.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
Premise 1: All spiders have eight legs.
Premise 2: A black widow is a spider. (this is true)
________________________________
Conclusion: Therefore, a black widow has eight legs.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
Premise 1: If a number is even, it is divisible by 2.
Premise 2: 8 is an even number.
______________________________
Conclusion: Therefore, 8 is divisible by 2.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
Premise 1: If it rains, the ground gets wet.
Premise 2: It is raining. (assume this is true)
______________________________
Conclusion: Therefore, the ground is getting wet.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
Premise 1: All planets orbit a star. (this is true)
Premise 2: Earth is a planet.
__________________________
Conclusion: Therefore, Earth orbits a star.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
Premise 1: All fish can fly.
Premise 2: A salmon is a fish.
____________________________
Conclusion: Therefore, a salmon can fly.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
Premise 1: The Earth is flat.
Premise 2: Flat objects do not have gravity.
_____________________________________
Conclusion: Therefore, the Earth does not have gravity.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
Premise 1: All metals are liquid at room temperature.
Premise 2: Mercury is a metal.
________________________________
Conclusion: Therefore, mercury is liquid at room temperature.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
Premise 1: All humans have three legs.
Premise 2: John is a human.
________________________
Conclusion: Therefore, John has three legs.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
Premise 1: All dogs are amphibians.
Premise 2: A Labrador is a dog.
___________________________________
Conclusion: Therefore, a Labrador is an amphibian.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
Premise 1: All cats are reptiles.
Premise 2: Some reptiles can fly.
_____________________________
Conclusion: Therefore, some cats can fly.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
Premise 1: All cars can swim.
Premise 2: Fish can swim.
_____________________
Conclusion: Therefore, fish are cars.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
Premise 1: All fruits are vegetables.
Premise 2: Apples are fruits.
______________________________
Conclusion: Therefore, apples are not edible.
All true premises and bad logic
All true premises and good logic
One or more false premises and good logic
One or more false premises and bad logic
