The statement $B \Rightarrow ( ( \sim A ) \vee B )$ is not equivalent to :
(1) $B \Rightarrow ( A \Rightarrow B )$
(2) $A \Rightarrow ( A \Leftrightarrow B )$
(3) $A \Rightarrow ( ( \sim A ) \Rightarrow B )$
(4) $B \Rightarrow ( ( \sim A ) \Rightarrow B )$