statement 1-- ~(A <==> B) is equivalent to A<==>B
statement 2-- A v (~(A ^ ~B)) a tautology
(1) statement 1 is true,statement 2 is true, statement 2 is not a correct explanation for statement 1
(2) statement 1 is true,statement 2 is true, statement 2 is a correct explanation for statement 1
statement 1-- ~(A <==> B) is equivalent to A<==>B
statement 2-- A v (~(A ^ ~B)) a tautology
(1) statement 1 is true,statement 2 is true, statement 2 is not a correct explanation for statement 1
(2) statement 1 is true,statement 2 is true, statement 2 is a correct explanation for statement 1