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hali12

  • 3 years ago

help with "truth tables"

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  1. vf321
    • 3 years ago
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    What about em?

  2. hali12
    • 3 years ago
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  3. vf321
    • 3 years ago
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    What's the problem with that?

  4. vf321
    • 3 years ago
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    Which one to choose? Do you know what the implies operator means?

  5. hali12
    • 3 years ago
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    no

  6. jim_thompson5910
    • 3 years ago
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    p -> q is only false if p is true and q is false

  7. jim_thompson5910
    • 3 years ago
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    So ~p -> ~q is false when ~p is true and ~q is false

  8. hali12
    • 3 years ago
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    p | q | --------- T | T | T T | F | T F | T | F F | F | T

  9. jim_thompson5910
    • 3 years ago
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    |dw:1344201917880:dw|

  10. jim_thompson5910
    • 3 years ago
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    that's not the final answer, but it helps you lead up to it

  11. hali12
    • 3 years ago
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    p q ~p ~q ~p → ~q T T F F T T F F T T F T T F F F F T T T

  12. hali12
    • 3 years ago
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    this?

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  13. jim_thompson5910
    • 3 years ago
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    no

  14. hali12
    • 3 years ago
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    ??

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  15. jim_thompson5910
    • 3 years ago
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    that's it

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