# existential graph

> diagrammatic notation for logical expressions proposed by Peirce

**Wikidata**: [Q1383836](https://www.wikidata.org/wiki/Q1383836)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Existential_graph)  
**Source**: https://4ort.xyz/entity/existential-graph


## References

1. Freebase Data Dumps. 2013