Search results 3243 items matching your search terms. Filter the results Item type Select All/None Collection File Folder Image Link Movie Page Question Quiz New items since Yesterday Last week Last month Ever Sort by relevance date (newest first) alphabetically Subset of a set Located in Mathematics / … / Sets / Elementary Set Theory - Quick Review Th union set A with empty set is A Located in Mathematics / … / Sets / Elementary Set Theory - Quick Review The cardinal number of a set Located in Mathematics / … / Sets / Elementary Set Theory - Quick Review The elements of a set need to be related to one another in an obvious way Located in Mathematics / … / Sets / Elementary Set Theory - Quick Review The German mathematician George Cantor (1845–1918) is regarded as the father of set theory Located in Mathematics / … / Sets / Elementary Set Theory - Quick Review The intersection of two sets Located in Mathematics / … / Sets / Elementary Set Theory - Quick Review The objects that belong to a set are called elements or members of the set Located in Mathematics / … / Sets / Elementary Set Theory - Quick Review The sets are usually denoted by the small letters and its elements are denoted by the capital letters Located in Mathematics / … / Sets / Elementary Set Theory - Quick Review The union of two sets Located in Mathematics / … / Sets / Elementary Set Theory - Quick Review Two elements x and y belong to set A Located in Mathematics / … / Sets / Elementary Set Theory - Quick Review < Previous 10 items 1 ... 121 122 123 124 125 126 127 ... 325 Next 10 items > Subscribe to an always-updated RSS feed.