Relations and Functions

Relations and Functions

Question

space space space space space space space space space space space space space space space space space space open parentheses straight A union straight B close parentheses union straight C

Answer

Let  x  be any  arbitary element ofi.e,   <pre>uncaught exception: <b>mkdir(): Permission denied (errno: 2) in /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php at line #56mkdir(): Permission denied</b><br /><br />in file: /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php line 56<br />#0 [internal function]: _hx_error_handler(2, 'mkdir(): Permis...', '/home/config_ad...', 56, Array)
#1 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php(56): mkdir('/home/config_ad...', 493)
#2 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.class.php(110): com_wiris_util_sys_Store->mkdirs()
#3 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/RenderImpl.class.php(231): com_wiris_plugin_impl_FolderTreeStorageAndCache->codeDigest('mml=<math xmlns...')
#4 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/TextServiceImpl.class.php(59): com_wiris_plugin_impl_RenderImpl->computeDigest(NULL, Array)
#5 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/service.php(19): com_wiris_plugin_impl_TextServiceImpl->service('mathml2accessib...', Array)
#6 {main}</pre>

               space space space space space space space space space space space space space space straight x space element of space open parentheses straight A union straight B close parentheses union straight C space rightwards double arrow space straight x element of open parentheses straight A union straight B close parentheses space or space straight x element of subset of
rightwards double arrow              space space space space space space space space space space space space space space space space space space open parentheses straight x element of straight A space space or space straight x space element of space straight B close parentheses space or space straight x space element of subset of
rightwards double arrow                      space space space space space space space space space space straight x element of straight A space or space left parenthesis straight x element of straight B space or space straight x element of subset of right parenthesis
rightwards double arrow            space space space space space space space space space space space space space straight x space element of space straight A space or space straight x space element of space left parenthesis straight B union straight C right parenthesis space space space space space space rightwards double arrow space space space space straight x space straight e space straight A space union space left parenthesis straight B space union space straight C right parenthesis
Thus, space space space space space space space space space space straight x space element of space left parenthesis straight A space union space straight B right parenthesis space union space straight C space rightwards double arrow space straight x element of space straight A space union space straight B left parenthesis straight B union straight C right parenthesis

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