Lesson 1Ambiguity in Union and IntersectionJudging when combining sets increases risk or hides loss.Start2 Micro-lessonsMicro lesson 1Union: Overlapping UncertaintyMicro lesson 2Intersection: False Security
Lesson 2Hidden Costs of Set DifferenceDetecting delayed consequences when removing elements.Start2 Micro-lessonsMicro lesson 1Difference: Unintended ExclusionMicro lesson 2Difference: Compounding Loss
Lesson 3Calibration in Symmetric DifferenceRestraint and recalibration when sets diverge unexpectedly.Start2 Micro-lessonsMicro lesson 1Symmetric Difference: Misjudged DivergenceMicro lesson 2Symmetric Difference: Timing Restraint