ertainthanourknowledgeofbiologicalsystems,andtheseinturnaremorecertainthanourknowledgeofsocialsystems.Intermsofourcapacitytosampletherelevantuniverses,however,andtheprobabilitythatourimagesoftheseuniversesareatleastapproximatelycorrect,onesuspectsthatareverseorderismorereasonable.Weareabletosampleearth’ssocialsystemswithsomedegreeofconfidencethatwehaveareasonablesampleofthetotaluniversebeinginvestigated.Ourknowledgeofsocialsystems,therefore,urate,isnotlikelytobeseriouslyoverturnedbynewdiscoveries.Eventhefolkknowledgeinsocialsystemsonwhichordinarylifeisbasedinearning,anizing,marrying,takingpartinpoliticalactivities,fightingandsoon,isnotverydissimilarfromthemoresophisticatedimagesofthesocialsystemderivedfromthesocialsciences,eventhoughitisbuiltupontheveryimperfectsamplesofpersonalexperience.
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