requiredsuch
Requiredsuch is a term used in discussions of formal specification, constraint programming, and requirements engineering to denote a binding constraint that a value or object must satisfy a given predicate. The word combines "required" with the phrase "such that," echoing mathematical notation while signaling mandatory applicability in a specification context. There is no universally accepted grammar for requiredsuch, and the exact syntax may vary across proposals.
Semantically, a statement of the form requiredsuch X such that P(X) expresses that any admissible X must
Usage and examples are typically described in hypothetical or experimental languages. For example, in a pseudo-syntax
Applications include requirements engineering, data validation, and formal methods where stakeholders want to mark certain conditions
Status and adoption vary; requiredsuch appears in niche discussions, speculative proposals, and some experimental languages but