Recent content by fruitjunkie

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    Beat Your Deadline: Finish in 3 Hours!

    due in 3 hours! asdf
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    How do you construct proofs for set unions?

    oops, i forgot the beginning: Given sets a and b, there is a set containing exactly the elements from a and b:
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    How do you construct proofs for set unions?

    i actually don't know how to construct proofs..
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    How do you construct proofs for set unions?

    it is a lemma that my professor asked us to prove.
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    How do you construct proofs for set unions?

    union proof due at midnight! (∃y)(∀x)(x ∈ y) ↔ (x ∈ a ∨ x ∈ b)) How do you prove this??
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