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anonymous

  • one year ago

De morgan's laws to write the negation of the following statement. He is not in Canada, or he does not fly to montreal. a. He is in Canada, and he flies to montreal. b. He is in Canada, or he flies to montreal. c. If he is in Canada, then he flies to montreal. d. He is not in Canada, or he flies to montreal.

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  1. Jhannybean
    • one year ago
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    He is not in canada = p he does not fly to montreal = q Your statement = ( p v q ) Negating the statement : ~( p v q )

  2. anonymous
    • one year ago
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    so im not sure if it would be c. or d.

  3. anonymous
    • one year ago
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    I know that ~ means "not" and "v" means "or"

  4. Jhannybean
    • one year ago
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    You are correct, so just negate both of the statements individually.

  5. Jhannybean
    • one year ago
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    The conjunction, "or", does not change though.

  6. anonymous
    • one year ago
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    so it would be b.?

  7. Jhannybean
    • one year ago
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    That's what i'm getting.

  8. phi
    • one year ago
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    it is a bit more intuitive if you define p = In Canada q= flies to Montreal so the statement can be written (not p) or (not q) use De Morgan's Law to write that as not (p and q) now negate that statement: not not (p and q) becomes p and q look for In Canada and flies to Montreal

  9. anonymous
    • one year ago
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    so A.

  10. phi
    • one year ago
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    more importantly, can you follow what I did?

  11. anonymous
    • one year ago
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    yes so you took out the negation and added the conjunction

  12. Jhannybean
    • one year ago
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    @phi why would or change to and?

  13. anonymous
    • one year ago
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    you guys are confusing me lol

  14. phi
    • one year ago
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    DeMorgan's Law https://en.wikipedia.org/wiki/De_Morgan's_laws

  15. Jhannybean
    • one year ago
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    Ohhh.... I had missed somethign.

  16. anonymous
    • one year ago
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    so the finalized answer is A

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