Rule of three or Rule of Thirds may refer to:
Science and technology
edit- 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
edit- 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 Uses
edit- 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
Variations
edit- Rule of thirds, a rule of thumb for composing visual images
- Rule of thirds (diving), a rule of thumb for divers
- Rule of thirds (military), a rule of thumb in military planning
See also
edit- All pages with titles beginning with Rule of th
- Three-sigma rule, for a normal distribution in statistics
- Triumvirate, a political regime dominated by three powerful individuals
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