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Mathematics 14 Online
OpenStudy (christos):

Can you please tell me what does this sign mean ? http://screencast.com/t/fDFYb6BkkYO

OpenStudy (anonymous):

You can read it as "such that", or "where". It's like imposing a condition on the stuff before it. The curly brackets mean the expression is a set, so the full thing means "the set of all z such that z* is a member of D"

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