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22-07-2020
Mathematics

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Which statement would produce a tautology? A. p q B. p q C. p p D. q p

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tramserran tramserran

22-07-2020

Answer: C. p = p

Step-by-step explanation:

A tautology is a statement that is always true.

A. p = q

This is not always true. Counterexample: p = 1 & q = 2

B. p = q

This is the same as A (above)

C. p = p

This is ALWAYS true!

D. q = p

This is the same as A but in reverse order.

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