The statement A rightarrow( B rightarrow A ) | vedclass

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Question

$A \rightarrow( B \rightarrow A )$

$\equiv A \rightarrow(\sim B \vee A )$

$\equiv \sim A \vee(\sim B \vee A )$

$\equiv(\sim A \vee A ) \vee \

Vedclass · Accepted Answer

$A \rightarrow(A \vee B)$

Vedclass · Answer

$A ightarrow( B ightarrow A )$

$\equiv A ightarrow(\sim B \vee A )$

$\equiv \sim A \vee(\sim B \vee A )$

$\equiv(\sim A \vee A ) \vee \sim B$

$\equiv T \vee \sim B \equiv T$

$	herefore T \vee B = T$

$\equiv(\sim A \vee A ) \vee B$

$\equiv \sim A \vee( A \vee B )$

$\equiv A ightarrow( A \vee B )$

The statement $A \rightarrow( B \rightarrow A )$ is equivalent to

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