in tuple relational calculus p1rarr p2 is
In tuple relational calculus P1→ P2 is equivalent to ?
A In tuple relational calculus P1→ P2 is equivalent to ¬P1 V P2. (The logical implication expression A B, meaning if A then B,is equivalent to ¬A V B)
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in tuple relational calculus p1rarr p2 is equivalent to a in tuple relational calculus p1rarr p2 is equivalent to notp1 v p2 the logical implication
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