# Is-A Test

> A technique for deciding concern membership by asking whether a file is-a the proposed word, admitting it as a role when it is and as a domain noun when the system merely has-a it.

Record: `lex:is-a-test`
Kind: technique
Layer: [Structural Core](https://banes-lab.com/records/layer/structural-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-is-a-test

## category

- [Taxonomy / Classification / Naming](https://banes-lab.com/records/lex-category/taxonomy-classification-naming.md)

## referenced-by

- [Agnostic-First Vocabulary](https://banes-lab.com/records/arch/agnostic-first-vocabulary.md)