# Sheffer stroke

> logical operation that asserts that at least one of its operands is false

**Wikidata**: [Q3874243](https://www.wikidata.org/wiki/Q3874243)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sheffer_stroke)  
**Source**: https://4ort.xyz/entity/sheffer-stroke


## References

1. Freebase Data Dumps. 2013