Artificial Intelligence / Unit 5 AI 0249 short lesson, about 20 seconds
The One-Way Arrow
Captions available
The idea
The rule arrow runs one way: from established conditions the conclusion may be drawn — and from an established conclusion, nothing follows about the conditions.
In practice
A plant can be overwatered without yellow leaves; the rule licensed one direction of travel only.
Where people slip
Running an arrow backward is among the oldest reasoning errors in the species — notation, read carefully, is the vaccine.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
Unlocks
- Nothing yet depends on this.
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