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P ? ?D PD\frac { \sim \mathrm { P } } { \sim \mathrm { D } }

Question 247

Multiple Choice

P ? ?D PD\frac { \sim \mathrm { P } } { \sim \mathrm { D } }


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

Correct Answer:

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