In Neti Neti meditation, practitioners oftentimes affirm "not this, not that," directing their focal point inwardly
https://www.scribd.com/document/848007791/A-Comprehensive-Analysis-of-Negation-inside-the-Context-of-Buddhist-Meditation-125529
In Neti Neti meditation, practitioners normally verify "not this, no longer that," directing their recognition inwardly