Artificial Intelligence / Unit 2 AI 0103 short lesson, about 20 seconds
Admissible
Captions available
The idea
A heuristic is admissible when it never overestimates the true remaining cost — systematically optimistic, never inflated.
In practice
The crow's route ignores obstacles, so it can only undershoot: every straight-line estimate is admissible by construction.
Where people slip
Optimism is the load-bearing property; accuracy is a luxury. Video 0110 prices the difference.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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