The statement among the following that is a tautology is

  • A
    $A \vee (A \wedge B)$
  • B
    $A \wedge (A \vee B)$
  • C
    $B$ $\rightarrow [A \wedge (A$ $\rightarrow B)]$
  • D
    $[A \wedge (A$ $\rightarrow B)]$ $\rightarrow B$

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