# Hart–Tipler conjecture

> the idea that an absence of detectable Von Neumann probes is contrapositive evidence that no intelligent life exists outside of the Solar System

**Wikidata**: [Q115118050](https://www.wikidata.org/wiki/Q115118050)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hart–Tipler_conjecture)  
**Source**: https://4ort.xyz/entity/hart-tipler-conjecture