Talk:Uniqueness Condition for Relation Value

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I don't understand the why this page is needed. Does it not just repeat what is on the image of a singleton under a relation? --prime mover 20:39, 11 August 2012 (UTC)

It's mostly to show that the second definition for relation value "works." --Andrew Salmon 21:16, 11 August 2012 (UTC)
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