For all sets a and b, prove (a ∪ b) ∩ (a ∩ b) ^c = (a − b) ∪ (b − a) by showing that each side of the equation is a subset of the other.

you already know many words that you use every day as part of your writing and you probably also know that certain words fit better in certain situations. tonight she will , sit) down and , write) a cover letter to when writing, you need to choose the correct word according to its spelling and

answer(a) occurs after your prediction;