I am told A(B ∩ C) ≠ AB ∩ AC I am unsure as to why they are not equal. Using examples and following them I am unable to show that they are not.
e.g Let A = {m} B = {s, p} C = {p, r}
A(B ∩ C) = A{p} = {mp}
AB ∩ AC = {ms, mp} ∩ {mp, mr} = {mp}
Have I made a mistake here?