# Systems of Logic Based on Ordinals

> doctoral thesis written by Alan Turing

**Wikidata**: [Q7663875](https://www.wikidata.org/wiki/Q7663875)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Systems_of_Logic_Based_on_Ordinals)  
**Source**: https://4ort.xyz/entity/systems-of-logic-based-on-ordinals


## References

1. [Source](https://londmathsoc.onlinelibrary.wiley.com/doi/10.1112/plms/s2-45.1.161)