Determine which of the following is not a statement.

  • A
    Ahmedabad is situated on the banks of the Sabarmati river.
  • B
    Tomorrow is a holiday.
  • C
    For non-zero numbers $x$ and $y$,$x^2 + y^2 \neq 0$.
  • D
    Pythagoras was a mathematician.

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Similar Questions

Which of the following Boolean expressions is not a tautology?

$\sim(\sim p \rightarrow q) \equiv$

Write the negation of the following statement:
Both the diagonals of a rectangle have the same length.

If $p$: The total prime numbers between $2$ to $100$ are $26$.
$q$: Zero is a complex number.
$r$: Least common multiple ($L$.$C$.$M$.) of $6$ and $7$ is $6$.
Then which of the following is correct?

Let $\Delta, \nabla \in \{\wedge, \vee\}$ be such that $(p \nabla q) \Rightarrow ((p \nabla q) \nabla r)$ is a tautology. Then $(p \nabla q) \Delta r$ is logically equivalent to

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