In a certain code language, A + B A + B A + B means ‘ A A A is the wife of B B B ’. A − B A - B A − B means ‘ A A A is the son of B B B ’. A × B A \ti...
Question
In a certain code language, means ‘ is the wife of ’. means ‘ is the son of ’. means ‘ is the husband of ’. means ‘ is the father of ’. Based on the above, how is related to if ‘’?