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1.5. Write each of the following sets in the form {x ∈ Z : p(x)}, where p(x) is a property concerning x. B = {-3, -2, ..., 3} 1.6. The set E = {2x : x ∈ Z} can be described by listing its elements, namely E = {..., -4, -2, 0, 2, 4, ...}. List the elements of the following sets in a similar manner. B = {4n : n ∈ Z} 1.7. The set E = {..., -4, -2, 0, 2, 4, ...} of even integers can be described by means of a defining condition by E = {y = 2x : x ∈ Z} = {2x : x ∈ Z}. Describe the following sets in a similar manner. A = {..., -4, -1, 2, 5, 8, ...} 1.9. For A = {2, 3, 5, 7, 8, 10, 13}, let B = {x ∈ A : x = y + z, where y, z ∈ A} and C = {r ∈ B : r + s ∈ B for some s ∈ B}. Determine

          1.5. Write each of the following sets in the form {x ∈ Z : p(x)}, where p(x) is a property concerning x. B = {-3, -2, ..., 3}
1.6. The set E = {2x : x ∈ Z} can be described by listing its elements, namely E = {..., -4, -2, 0, 2, 4, ...}. List the elements of the following sets in a similar manner. B = {4n : n ∈ Z}
1.7. The set E = {..., -4, -2, 0, 2, 4, ...} of even integers can be described by means of a defining condition by E = {y = 2x : x ∈ Z} = {2x : x ∈ Z}. Describe the following sets in a similar manner. A = {..., -4, -1, 2, 5, 8, ...}
1.9. For A = {2, 3, 5, 7, 8, 10, 13}, let B = {x ∈ A : x = y + z, where y, z ∈ A} and C = {r ∈ B : r + s ∈ B for some s ∈ B}. Determine

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