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Fix a complex number .If = for and () =, then () = ⌊ ⌋ and the formula becomes = ⌊ ⌋ = ⌊ ⌋ + ⌊ ⌋ +. If () >, then the limit as exists and yields the ...
This implies that a singleton is necessarily distinct from the element it contains, [1] thus 1 and {} are not the same thing, and the empty set is distinct from the set containing only the empty set. A set such as { { 1 , 2 , 3 } } {\displaystyle \{\{1,2,3\}\}} is a singleton as it contains a single element (which itself is a set, but not a ...
Excel Kobayashi and Mikako Hyatt are a pair of self-promoting, neophyte voice actresses who cosplay as Excel and Hyatt and perform the opening song "Ai (Chuuseishin)" as the Excel Girls. They appear in only three episodes (Episodes 5, 9, and 13) of the anime, in which they often receive much comedic physical abuse at the hands of the real Excel.