Kant as Physician of the Soul.- Spiritual Medicine: Placebo and Prevention.- Data and Regulation.- The Anomaly of the Supersensible.- The Limits of Knowledge.- The Leibnizian Background.- Kant and DGM.- A Summary of Things to Come.- I/Metaphysical Explanation in Leibniz: The Monads.- The Monadology.- Perception and Perspective.- Results to be Noted.- The Received View of the Origins of the Monadology.- Stress Yield Points and Pain Thresholds.- A New Reading of Leibniz.- The Monads Again.- Leibniz’ Gnostic Background.- The Transition to DGM.- Some High Stress Yield Points of Leibniz.- From the Monads to Kant.- II/Leibniz on the Side of the Angels.- The Methodological Angel.- Angelic Explanation.- Galileo and Plato.- The God’s-eye View.- Empirical Adequacy.- Mechanical Methodism.- Angelic Alchemy.- Angelic Logic.- A Metaphysical Problem.- A Speculative Postscript.- III/Kant, ESP, and the Inaugural Dissertation.- Kant’s Departure from Leibniz: First Stage.- Kant’s Interest in the Paranormal.- Departure from Leibniz: Second Stage.- Swedenborg, the Ghostseer.- Why did Kant Write Träume?.- Broad’s Sociological Explanation.- The Question of Anonymity.- The Second Letter to Mendelssohn.- Can Spirits be Located?.- Spiritualism in the Lectures on Metaphysics.- Supersensibility and the Inaugural Dissertation.- The Corpus Mysticum.- Sceptical Conclusions.- Afternote to This Chapter.- Appendix to Chapter III/A Translation of thoughts on the True Estimation of Living Forces (Sect. 4).- IV/Soemmering and Euler: Space and the Soul.- Space and the Paralogisms.- Sömmering and the sensorium commune.- Euler and the corpus callosum.- Transition to the Critical Philosophy.- V/Kant: Space and the Soul.- Kant’s Space.- The Soul Paralogized.- The Presumed Idealism/Realism Tensionin Kant.- VI/Rules, Images and Constructions: Kant’s Constructive Idealism.- Prelminaries.- Kant’s Schemata as Semantical Rules.- An Example of Schematization.- Schemata and the Schwärmerei.- Schemata and Dreams.- Kant’s Constructivist Theory of Mathematics: Intuition and Sensation.- Appearances as Apparitional Contents.- Terminology Summarized.- The Epistemic Rôle of Sensations.- Construction and A Priori Intuition.- Defining and Inventing Concepts.- Application and Objectification.- Construction in Metaphysical Foundations of Natural Science: an Example.- Rules and Examples.- Again: the Question of Applicability.- VII/Kant’s DGM: Two Fundamental Principles of Methodology.- A World Without the Angels.- The Needs and Demands of Reason.- The Phenomenal and the Noumenal.- The Regulative Employment of Ideas of Reason.- The Phenomenal and the Regulative.- VIII/Kant’s DGM: Hypotheses in Science.- Double Government and Other Methodologies.- Methods as Part of the Empirical Content of Science.- Methodology: the Hypothetical and the Possible.- Methodology: Hypothesis and Explanation.- Hypothesis and Explanation.- Nature and Lawlikeness.- Points of Logic.- Hypotheses and DGM.- The Question of Ontology.- IX/Kant’s DGM: The Restoration of Teleology.- Remembering Leibniz.- The Solution of the Third Antinomy.- Two Concepts of Freedom.- Twists in a Famous Argument.- Two Unpromising Alternatives.- Again: the Epistemological Turn.- The Problem of the Thing-in-Itself in General Form.- Lewis White Beck’s ‘only way out of the dilemma’.- Understanding and Understandability.- Teleology and the Supersensible Substrate.- The Mechanism/Teleology Antinomy.- Leibniz and Kant: the Double Government Methodology.- Central Nervous System/Philosophers as Dieticians of the Mind.-Kant’s Interest in Psychopathology.- Diseases of the Head.- The Schwärmerei in Religion.- Kant’s Late Nosology of Mental Diseases.- Kant’s Dietetic of the Mind.- A Gerontological Dietetic of the Mind.- The Point of All of This.