In the Boolean algebra : $A+B=$

Input	$\bar{A}+\bar{B}$	$A.B$	$\overline{\stackrel{ˉ}{A}}+\overline{\stackrel{ˉ}{B}}$	$\overline{\stackrel{ˉ}{A}}+\bar{B}$
$A=B=0$	1	0	0	1
$A=B=1$	0	1	1	1
$A=0,B=1$	1	0	1	1
$A=1,B=0$	1	0	1	1