# Fuzzy relational modalities admitting truth-valueless propositions

> Research article (Fuzzy Sets and Systems, 2019) · cited 12× · AI/ML

**Wikidata**: [openalex:W2967249980](https://www.wikidata.org/wiki/openalex:W2967249980)  
**Source**: https://4ort.xyz/entity/fuzzy-relational-modalities-admitting-truth-valueless-propositions