# THE POSET OF ALL LOGICS II: LEIBNIZ CLASSES AND HIERARCHY

> Research article (Journal of Symbolic Logic, 2021) · cited 10× · AI/ML

**Wikidata**: [openalex:W3006164068](https://www.wikidata.org/wiki/openalex:W3006164068)  
**Source**: https://4ort.xyz/entity/the-poset-of-all-logics-ii-leibniz-classes-and-hierarchy