ProbabilityTheory_TheLogicofScience"Theactualscienceoflogicisconversantatpresentonlywiththingseithercertain,impossible,orentirelydoubtful,noneofwhich(fortunately)wehavetoreasonon.ThereforethetruelogicforthisworldisthecalculusofProbabilities,whichtakesaccountofthemagnitudeofthe