Write the compound statement in symbolic form. Let letters assigned to the simple statements represent English sentences that are not negated. If commas do not appear in compound English statements, use the dominance of connectives to show grouping symbols (parentheses) in symbolic statements.We have power if and only if it's not true that both the lines go down and the transformer blows.Let p represent the simple sentence "The lines go down," q represent the simple sentence "The transformer blows," and r represent the simple sentence "We have power."The compound statement written in symbolic form is