AP EAPCET 17th May 2023 Shift 1 Solved Paper

If S be the sample space of a random experiment ξ and P be a probability function defined on the power set mathcal‌P(S) of S, then which one of the following is not satisfied by P ?
(i) P(φ)=0
(ii) If Ec is the complementary event of E, then P(Ec)=1−P(E)
(iii) 0≤P(E)≤1,‌‌∀E⊆S
(iv) If E1⊆E2 then P(E2)≤P(E1)