What is a sound interpretation of “ʿindana” accompanying a critic’s definition of hasan?

Hasan li-Dhatihi, Sahih li-Ghayrihi, and al-Tirmidhi’s Composite Terms

• The qualification proves unchanged usage by all scholars in every era
• It individually certifies every route of that report as sound
• It can signal the critic’s particular technical convention
• It makes hasan exactly equivalent to intrinsic sahih