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Nezavi [6.7K]
3 years ago
8

P->q is false and p is true. q is a.true b.false

Mathematics
1 answer:
kirill [66]3 years ago
3 0

Answer:

Choice b. q has to be false.

Step-by-step explanation:

Consider the truth table of p \implies q (p implies q).

  • p is true and q is true: p \implies q would be true.
  • p is true and q is false: p \implies q would be false.
  • p is false and q is true: p \implies q would be true.
  • p is false and q is false: p \implies q would also be true.

The only combination where p \implies q is false is when p is true and q is false. Hence, the q\! here must be false.

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