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Question 2 : Demonstrate, using a truth table, that the proposition ( p q ) v v ( q q ) is a tautology. (

Question

2

: Demonstrate, using a truth table, that the proposition

(p q) v v (q q)

is a tautology.

(

Recall

,

a proposition is a tautology if it is true for all possible assignments to the logical variables.

)

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