# free and bound variables

> classification of variables in a logic formula based on whether or not they are inside the scope of a quantifier

**Wikidata**: [Q935944](https://www.wikidata.org/wiki/Q935944)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Free_variables_and_bound_variables)  
**Source**: https://4ort.xyz/entity/free-and-bound-variables


## References

1. Freebase Data Dumps. 2013