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Artificial Intelligence  /  AI 0183  ·  Atom · ~20 seconds

Hard Constraints Only, For Now

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A hard constraint makes a combination flatly legal or illegal; a soft constraint merely prefers some assignments to others — and this unit is hard constraints only.

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"The drummer cannot be on two stages at once" is hard; "the headliner would rather play late" is soft.

Watch for

Preference gets its own arithmetic in Unit 7 — a declared scope, not an oversight.