Homework Statement
Prove that(power set) P(E) U P(F) is a subset of P(E U F)
Homework Equations
P(E) U P(F) is a subset of P(E U F)
The Attempt at a Solution
P(E)U P(F)={x:xεP(E) or xεP(F)}
but P(E)={X:X is a subset of E} or P(E)={x:xεX→xεE}
so we get P(E)U P(F)={x:xεX→xεE or...