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Psychological Glossary >> Formal System
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Formal System
Formal system is a set of rules or processes in which everything depends on the form of the materials being considered.
There is no influence from the content of the material.
For example, arithmetic is a formal system: Any equation of the form "2x + 2x = 4x" will always be true.
It does not matter what x represents - i.e., what the content of the equation is.
Logic is another example of a formal system.
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