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    Mathematics
  3. Study Set
    A Concise Introduction to Logic
  4. Exam
    Exam 6: Propositional Logic
  5. Question
    ?N ? H\(\mathrm { H }\) \(\sim N\) A) DA-Invalid
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?N ? H H\mathrm { H }H ∼N\sim N∼N A) DA-Invalid

Question 19

Question 19

Multiple Choice

?N ? H H\mathrm { H }H
∼N\sim N∼N


A) DA-invalid.
B) DS-valid.
C) MP-valid.
D) MT-valid.
E) AC-invalid.

Correct Answer:

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