required (hard)helpful (soft)MasteredLearningNeeds workNot startedLocked
Target↳ Counting people: censuses, death tables, insuranceProbability and StatisticsG11Not started
↳ Probability was born at the gambling tableProbability and StatisticsG11Not started
↳ The parallel postulate and non-Euclidean geometryGeometryG11Not started
↳ Euclid and the axiomatic methodGeometryG11Not started
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