### Wiktionary

formation rule(Noun)

One of a set of rules ("formation rules") used to construct well-formed formulas of a formal language.

### Freebase

Formation rule

In mathematical logic, formation rules are rules for describing which strings of symbols formed from the alphabet of a formal language are syntactically valid within the language. These rules only address the location and manipulation of the strings of the language. It does not describe anything else about a language, such as its semantics..

### Numerology

Chaldean Numerology

The numerical value of formation rule in Chaldean Numerology is:

**1**Pythagorean Numerology

The numerical value of formation rule in Pythagorean Numerology is:

**5**

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