Relation of the logical with the æsthetic form--The concept as expression--Æsthetic and æsthetic-logical expressions or expressions of the concept: propositions and judgments--Overcoming of the dualism of thought and language--The logical judgment as definition--Indistinction of subject and predicate in the definition--Unity of essence and existence--Pretended vacuity of the definition--Critique of the definition as fixed verbal formula. II THE CONCEPT AND THE VERBAL FORM. THE SYLLOGISM Identity of definition and syllogism--Connection of concepts and thinking of concepts--Identity of judgment and syllogism--The middle term and the nature of the concept--Pretended non-definitive logical judgments--The syllogism as fixed verbal formula--Use and abuse of it--Erroneous separation of truth and reason of truth in pure concepts--Separation of truth and reason of truth in the pseudoconcepts. III CRITIQUE OF FORMAL LOGIC Intrinsic impossibility of formal Logic--Its nature--Its partial justification--Its error--Its traditional constitution--The three logical forms--Theories of the concept and of the judgment--Theory of the syllogism--Spontaneous reductions to the absurd of formal Logic--Mathematical Logic or Logistic--Its non-mathematical character--Example of its mode of treatment--Identity of nature of Logistic and formal Logic--Practical aspect of Logistic. IV INDIVIDUAL JUDGMENT AND PERCEPTION Reaction of the concept upon the representation--Logicization of the representations--The individual judgment; and its difference from the judgment of definition--Distinction of subject and predicate in the individual judgment--Reasons for the variety of definitions of the judgment and of some of its divisions--Individual judgment and intellectual intuition--Identity of individual judgment with perception or perceptive judgment, and with commemorative or historical judgment--Erroneous distinction of individual judgments as of fact and of value--The individual judgment as ultimate and perfect form of knowledge--Error of treating it as the first fact of knowledge--Motive of this error--Individual syllogisms. V THE INDIVIDUAL JUDGMENT AND THE PREDICATE OF EXISTENCE The copula: its verbal and logical significance--Questions relating to propositions without a subject. Verbalism--Confusion between different forms of judgments in the question of existentiality--Determination and subdivision of the question concerning the existentiality of individual judgments--Necessity of the existential character in these judgments---The absolutely and the relatively inexistent--The character of existence as predicate--Critique of existentiality as position and faith--Absurd consequences of those doctrines--The predicate of existence as not sufficient to constitute a judgment--The predicate of judgment as the totality of the concept. VI INDIVIDUAL PSEUDOJUDGMENTS. CLASSIFICATION AND ENUMERATION