QUESTION 11. Let S and T be the following subsets of the universal set U = Z: S = {n € Z: 5 does not divide n} and T = {m € Z: 10 does not divide m}. (a) List two distinct elements of the set SnT. (b) For this part, you will prove that SCT. Use an Indirect Proof to prove that the implication (ES) → (ET) holds true for any z € Z.

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Long-Answer Questions
Important: In all proofs, for each step, you must clearly indicate whether you are assuming
something, or whether what you wrote is something that follows from a definition or a
previous step of your proof. If any variables appear in your proof, make sure you clearly
indicate what they represent.
QUESTION 11.
Let S and T be the following subsets of the universal set U = Z:
S = {n € Z: 5 does not divide n} and T = {m EZ: 10 does not divide m}.
(a) List two distinct elements of the set SnT.
(b) For this part, you will prove that SCT. Use an Indirect Proof to prove that
the implication (ES) → (x T) holds true for any a x € Z.
Important! In each step of your proof make sure it is clear whether what is written is something you are
assuming, something you are about to prove, or something that follows from a previous step or definition. If
any variables appear in your proof, make sure you clearly write what they represent.
Transcribed Image Text:Long-Answer Questions Important: In all proofs, for each step, you must clearly indicate whether you are assuming something, or whether what you wrote is something that follows from a definition or a previous step of your proof. If any variables appear in your proof, make sure you clearly indicate what they represent. QUESTION 11. Let S and T be the following subsets of the universal set U = Z: S = {n € Z: 5 does not divide n} and T = {m EZ: 10 does not divide m}. (a) List two distinct elements of the set SnT. (b) For this part, you will prove that SCT. Use an Indirect Proof to prove that the implication (ES) → (x T) holds true for any a x € Z. Important! In each step of your proof make sure it is clear whether what is written is something you are assuming, something you are about to prove, or something that follows from a previous step or definition. If any variables appear in your proof, make sure you clearly write what they represent.
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