X. Kant's Opinion of the Argument which he calls Paralogism of Personality 366 XI. Simplicity of the Soul 377 XII. Kant's Opinion of the Argument proving the Simplicity of the Soul 381 XIII. In what manner the Idea of Substance may be applied to God 394 XIV. An important Remark, and Summary 397 XV. Pantheism examined in the Order of Ideas 399 XVI. Pantheism examined in the Order of External Facts 403 XVII. Pantheism examined in the Order of Internal Facts 406 XVIII. Fichte's Pantheistic System 409 XIX. Relations of Fichte's System to the Doctrines of Kant 424 XX. Contradiction of Pantheism to the Primary Facts of the Human Mind 429 XXI. Rapid glances at the Principal Arguments of Pantheists 434 BOOK TENTH. NECESSITY AND CAUSALITY. I. Necessity 439 II. The Unconditioned 442 III. Immutability of Necessary and Unconditioned Being 445 IV. Ideas of Cause and Effect 448 V. Origin of the Notion of Causality 451 VI. Formula and Demonstration of the Principle of Causality 454 VII. The Principle of Precedency 457 VIII. Causality in Itself.--Insufficiency and Error of some Explanations 467 IX. Necessary and sufficient Conditions of true Absolute Causality 474 X. Secondary Causality 476 XI. Fundamental Explanation of the Origin of the Obscurity of Ideas in what relates to Causality 479 XII. Causality of Pure Force of the Will 483 XIII. Activity 486 XIV. Possibility of the Activity of Bodies 493 XV. Conjectures as to the Existence of Corporeal Activity 496 XVI. Internal Causality 500 XVII. Remarks on Spontaneity 508 XVIII. Final Causality;--Morality 513 XIX. Various Explanations of Morality 520 XX. Fundamental Explanation of the Moral Order 527 XXI. A Glance at the Work 543 BOOK FOURTH. ON IDEAS. FUNDAMENTAL PHILOSOPHY. CHAPTER I. CURSORY VIEW OF SENSISM.