![Let (A, ?, ? x B-{ (a, b): a E A, b E B]. Define relation yron A and (b, y) ER2. Prove that is a partial order. ) and (B, si 2) be two posets. Consider the set derived from the cross product of sets A and B by ((a, b), (x, y)) E yif (a, x) E %, 5.](https://d2vlcm61l7u1fs.cloudfront.net/media%2F4f6%2F4f6e15c0-4f25-4b7e-b0f0-26b186cd025d%2Fphp4HwAwH.png)
Let (A, ?, ? x B-{ (a, b): a E A, b E B]. Define relation yron A and (b, y) ER2. Prove that is a partial order. ) and (B, si 2) be two posets.
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![Let (A, ?, ? x B-{ (a, b): a E A, b E B]. Define relation yron A and (b, y) ER2. Prove that is a partial order. ) and (B, si 2) be two posets. Consider the set derived from the cross product of sets A and B by ((a, b), (x, y)) E yif (a, x) E %, 5.](https://d2vlcm61l7u1fs.cloudfront.net/media%2F4f6%2F4f6e15c0-4f25-4b7e-b0f0-26b186cd025d%2Fphp4HwAwH.png)
Let (A, ?, ? x B-{ (a, b): a E A, b E B]. Define relation yron A and (b, y) ER2. Prove that is a partial order. ) and (B, si 2) be two posets.
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