(A-B)-C is a subset of (A-C)-(B-C) please help me prove this please
Follow Math Help Forum on Facebook and Google+
Originally Posted by leinadwerdna (A-B)-C is a subset of (A-C)-(B-C) please help me prove this please Let . So and by applying definition So and and by applying definition Therefore, and , so by applying the definition in reverse, this means So we showed that if we have an element of , then it is also in In other words,
View Tag Cloud