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

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

If A={phi,{phi},1.{1,phi},7}, then Which of the following are true?

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

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

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

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