Math-geometry

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Determine if the argument is valid or invalid. Give a reason to justify answer.

If the bell rings, then we answer the door.
The bell rings.
We answer the door.

  • Math-geometry -

    Yes, it is valid, according to the law of detachment. If the first and second premise are true, then the third is true.

  • Math-geometry -

    Oh okay now I understand. Thank you :)

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