Well-formed

Well-formed or wellformed indicate syntactic correctness and may refer to:

• Well-formedness, quality of linguistic elements that conform to grammar rules
• Well-formed formula, a string that is generated by a formal grammar in logic
• Well-formed element, web design element that is properly designed and ordered
• Well-formed document, XML document that adheres to the syntax rules of the XML 1.0 specification
• Well-formed Petri net, a Petri net class
• Well-formed scale, a class of musical scales