Let A={1,{2},{3,4},5}. Which of the following are incorrect statements

1.	Let A={1,{2},{3,4},5}. Which of the following are incorrect statements? Rectify each: (i) 2ϵA (ii) {2}⊂A (iii) {1,2}⊂A (iv) {3,4}⊂A (v) {1,5}⊂A (vi) {ϕ}⊂A (vii) 1⊂A (viii) {1,2,3,4}⊂A
Answer» Let $A = {1, {2}, {3, 4}, 5}$ . Which of the following are incorrect statements? Rectify each: $(i) 2 ϵ A$ $(i i) {2} \subset A$ $(i i i) {1, 2} \subset A$ $(i v) {3, 4} \subset A$ $(v) {1, 5} \subset A$ $(v i) {ϕ} \subset A$ $(v i i) 1 \subset A$ $(v i i i) {1, 2, 3, 4} \subset A$

Let A={1,{2},{3,4},5}. Which of the following are incorrect statements? Rectify each: (i) 2ϵA (ii) {2}⊂A (iii) {1,2}⊂A (iv) {3,4}⊂A (v) {1,5}⊂A (vi) {ϕ}⊂A (vii) 1⊂A (viii) {1,2,3,4}⊂A

Answer»

Let $A = {1, {2}, {3, 4}, 5}$ . Which of the following are incorrect statements?
Rectify each:

$(i) 2 ϵ A$

$(i i) {2} \subset A$

$(i i i) {1, 2} \subset A$

$(i v) {3, 4} \subset A$

$(v) {1, 5} \subset A$

$(v i) {ϕ} \subset A$

$(v i i) 1 \subset A$

$(v i i i) {1, 2, 3, 4} \subset A$