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Deductive Logic

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  • All animals need water to live. A dog is an animal. Does a dog need water to live?
    No
    Yes
    Maybe
    Not enough information
  • All dogs bark. Fido is a dog. Does Fido bark?
    Yes
    No
    Maybe
    Not enough information
  • If all fruits have seeds and an apple is a fruit, what can we deduce?
    None of the above
    Apples don't have seeds
    Apples are not fruits
    Apples have seeds
  • All apples are fruits. Okra is not an apple. Is okra a fruit?
    Maybe
    No
    Yes
    Not enough information
  • All cats have tails. A rabbit does not have a tail. Is a rabbit a cat?
    Maybe
    Yes
    Not enough information
    No
  • All birds have feathers. A sparrow is a bird. Does a sparrow have feathers?
    Not enough information
    Yes
    Maybe
    No
  • If all flowers need sunlight to grow and roses are flowers, what can we deduce?
    Roses need sunlight to grow
    Roses are not flowers
    None of the above
    Roses don't need sunlight to grow
  • If all mammals breathe air and a dolphin is a mammal, what can we deduce?
    Dolphins don't breathe air
    Noe of the above
    Dolphins are not mammals
    Dolphins breathe air
  • All dogs have four legs. A table has four legs. Is a table a dog?
    No
    Maybe
    Yes
    Not enough information
  • All planets orbit the sun. Earth is a planet. Does Earth orbit the sun?
    Yes
    Maybe
    Not enough information
    No
  • All trees have leaves. A pine tree is a tree. Does a pine tree have leaves?
    Not enough information
    Yes
    Maybe
    No
  • All mammals breathe air. A dolphin is a mammal. Does a dolphin breathe air?
    Yes
    No
    Maybe
    Not enough information
  • All roses are flowers. A tulip is not a rose. Is a tulip a flower?
    No
    Yes
    Maybe
    Not enough information
  • All squares have four sides. A rectangle has four sides. Is a rectangle a square?
    Maybe
    No
    Not enough information
    Yes
  • All animals need water to live. A dog is an animal. Does a dog need water to live?
    Not enough information
    Yes
    No
    Maybe
  • All fruits have seeds. An apple is a fruit. Does an apple have seeds?
    Not enough information
    Yes
    Maybe
    No
  • If all planets orbit the sun and Earth is a planet, what can we deduce?
    None of the above
    Earth orbits the sun
    Earth doesn't orbit the sun
    Earth is not a planet
  • All cars have wheels. A bicycle has wheels. Is a bicycle a car?
    No
    Not enough information
    Yes
    Maybe
  • All humans need food to live. A robot does not need food to live. Is a robot a human?
    Maybe
    Yes
    Not enough information
    No
  • All flowers need sunlight to grow. A rose is a flower. Does a rose need sunlight to grow?
    Yes
    Maybe
    No
    Not enough information
  • All humans have two legs. A spider has eight legs. Is a spider a human?
    No
    Not enough information
    Maybe
    Yes
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