What's the Cartesian Product of {x} and {x}? – math.stackexchange.com 23:38 Posted by Unknown No Comments The exercise I'm working on is "Show that $\{x\} \times \{x\} = \{\{\{x\}\}\}$". The solution I'm seeing says that this is equal to $\{\{\{x\}\}\}$, but I don't get this yet. Here's what I do ... from Hot Questions - Stack Exchange OnStackOverflow via Blogspot Share this Google Facebook Twitter More Digg Linkedin Stumbleupon Delicious Tumblr BufferApp Pocket Evernote Unknown Artikel TerkaitHow to calculate present age in Years, months, days format? – tex.stackexchange.comSQL Server returns "Arithmetic overflow error converting expression to data type int." – dba.stackexchange.comWhat's the point of actors occasionally directing a TV show episode? – movies.stackexchange.comSuper metal and the construction of knight armor – worldbuilding.stackexchange.comAre there sources in Prague that have hand-held, printed maps? – travel.stackexchange.comDoes Locate Object work this way? – rpg.stackexchange.com
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