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Dzemo Posted 22 years ago
Grammar

Is this an open sentence?

"Someone in this room is the murderer." Is this an open sentence? In my opinion it can be either true or false, not both at the same time because it specifies the location, but I am not sure. Help is appreciated!
  

Top answer

Is that about math??! I like math. According to The American Heritage® Dictionary of the English Language, open sentence is "an expression that contains at least one unknown quantity and becomes true or false when a test value is substituted for the unknown".

— Buggah

  • Is that about math??!
  • I like math.
  • According to The American Heritage® Dictionary of the English Language, open sentence is "an expression that contains at least one unknown quantity and becomes true or false when a test value is substituted for the unknown".
  • If you consider that someone is the unknown element and it is true that there has been a murder in this room, then I would say that it could be an open sentence.
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4 Answers
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Is that about math??! I like math.
According to The American Heritage® Dictionary of the English Language, open sentence is "an expression that contains at least one unknown quantity and becomes true or false when a test value is substituted for the unknown". If you consider that someone is the unknown element and it is true that there has been a murder in this room, then I would say that it
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It doesn't say that the murder was committed in that room though. (H)
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Who invents this stuff and what purpose can it serve? I've never heard of declarative sentences being classified like this .
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Thanks milky, you're right.
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