# Afterword: Tough Questions; Hard Problems; Incremental Progress

> Research article (Topics in Cognitive Science, 2019) · cited 10× · AI/ML

**Wikidata**: [openalex:W2940531090](https://www.wikidata.org/wiki/openalex:W2940531090)  
**Source**: https://4ort.xyz/entity/afterword-tough-questions-hard-problems-incremental-progress