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Given:If Sue does not brush her teeth, then she will get cavities.Sue didn't get any cavities.Which of the following is a valid conclusion?O Sue uses an electric toothbrush.O Sue has really strong teeth.O Sue didn't brush her teeth.O Sue brushed her teeth.

Respuesta :

Let:

P = Sue does not brush her teeth

Q = She will get cavities.

¬P⇒¬Q

F⇒F = V

A valid conclusion would be:

Sue brushed her teeth

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