If $A = \{1, 2, 3, 4, 5, 6\}$, then which of the following is not true?

  • A
    $∃x ∈ A$ such that $x + 3 = 9$.
  • B
    $∃x ∈ A$ such that $x + 2 < 9$.
  • C
    $∀x ∈ A, x + 6 ≥ 10$.
  • D
    $∃x ∈ A$ such that $x + 6 < 10$.

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