## An Investigation of the Laws of Thought: On which are Founded the Mathematical Theories of Logic and Probabilities |

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a₁ algebraic application Aristotle assume babilities c₁ C₂ cause chapter coefficients compound event conception conclusion condition connexion constituents deduce definition deliberative assembly denoted determine disjunctive proposition elements elimination equa equal events whose probabilities evils exist expression factor function given Hence hypothesis indefinite independent inference interpretation involved laws of thought logical equation M₁ method minor limit natural evils nature necessary observed occur p₁ P₂ particular phænomenon premises present preventive of pain primary propositions principle Prob problem processes productive of pleasure Prop question reasoning reduced relation represent respect result science of Logic second member secondary propositions simple events solution stxy supposed syllogism system of equations t₁ t₂ theory of probabilities things tion treatise true truth universe of discourse V₁ whence X is true x-factor X₁ X₂ καὶ