Rule of three
Rule of three or Rule of Thirds may refer to: Science and technology Rule of three (aeronautics), a rule of descent in aviation Rule of three (C++ programming), a rule of thumb about class method definitions Rule of three (computer programming), a rule of thumb about code refactoring Rule of three (hematology), a rule of thumb to check if blood count results are correct Rule of three (mathematics), a method in arithmetic Rule of three (medicinal chemistry), a rule of thumb for lead-like compounds Rule of three (statistics), for calculating a confidence limit when no events have been observed Rule of threes (survival), the rule of threes involves the priorities in order to survive Arts and entertainment Rule of Three, a podcast by Jason Hazeley and Joel Morris Rule of Three, a series of one-act plays by Agatha Christie The Bellman's Rule of Three in The Hunting of the Snark, a poem by Lewis Carroll The Rule of Thirds, a 2008 album by Death In June Other Rule of threes (survival), the priorities in order to survive Rule of Three (Wicca), a religious tenet Rule of three (writing), a principle of writing, and of rhetoric Rule of thirds, a rule