1. Let 𝐴, 𝐵, and 𝐶 be sets. Prove that (𝐴 βˆ’ 𝐵) ∩ (𝐴 βˆ’ 𝐶) = &#119

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answerhappygod
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1. Let 𝐴, 𝐵, and 𝐶 be sets. Prove that (𝐴 βˆ’ 𝐵) ∩ (𝐴 βˆ’ 𝐶) = &#119

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1. Let 𝐴, 𝐡, and 𝐢 be sets. Prove that (𝐴 βˆ’ 𝐡) ∩ (𝐴 βˆ’ 𝐢) = 𝐴 βˆ’ (𝐡 βˆͺ 𝐢). 

*please write formal proof*
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