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Discrete Math 10 Online
OpenStudy (anonymous):

Write the following statements in predicate form, using logical operators ^,∨, (NOT - negation but don't know where the symbol is :/) , and quantifiers ∀,∃. Below ℤ+ denotes all positive integers {1,2,3,.....}. I need help with this first statement: For any x, y ∈ ℤ+ the equation x2 + y2 - z = 0 has a solution z ∈ ℤ+

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