Let `A={phi,{phi},2,{2,phi},3},` which of the following are true ? `{:((i),phiinA,(i),phisubA,(iii),{phi}inA),((iv),{phi}subA,(v),2subA,(vi),{2","phi}subA),((vii),{{2}","{3}} subA,(viii),{2","3}!inA, (ix),`{phi,2,3}subA.):}`

Let A={phi{phi},1,{1,phi},2}. Determine which of the following is true or fase.

Let A={varphi,{varphi},1,{1,varphi},2}dot Which of the following are true? i. varphi ∈A ii. 2subA iii. {2,{1}}subA

Let A={varphi,{varphi},1,{1,varphi},2}dot Which of the following are true? i. {1}sub A ii. {{varphi}}subA iii. {2,varphi}subA

Let A={phi,{phi},2,{2,phi,5}} . Which of the following are true or false Justify your answer. (i) phi inA (ii) {phi}inA (iii) {2}inA (iv) {5,phi}subA (v) 5subA (vi) {5,{2}}notinA (vii) {{5},{2}}notinA (viii) {phi,(phi},(2,phi}}subA (ix) {{phi}}subA .

Let A={phi{phi},1,{1,phi},2} . Determine which of the following is true or false. (a).ϕ∈A (b).2⊂A (c).{2,{1}}⊂A

Let A= {{1,2,3},{4,5},{6,7,8}}. Determine which of the following is true or false : (i) 1inA {1,2,3}subA (iii) {6,7,8}inA (iv) {{4,5}}subA (v) phiinA (vi) phisubA .

Let A = {phi, {phi},2,{2,phi},5}. State whether the following is true of false? Justify your answer . phi in A .

Let A = {phi, {phi},2,{2,phi},5} . State whether the following is true of false? Justify your answer . {phi} in A .

Let A = {phi, {phi},2,{2,phi},5} . State whether the following is true of false? Justify your answer . {phi, {phi},2, {2,phi}} sub A .

Let A= {1,2,{3,4},5}. Which of the following statements are correct and why ? (i) {3,4}subA (ii) {3,4}inA (iii) {{3,4}}subA (iv) 1inA (v) 1subA (vi) {1,2}subA . (vii) {1,2,5}inA (viii) {1,2,3}subA . (ix) phiinA (x) phisubA (xi) {phi}subA .