I. Orders of Causality -- II. Causality Commentson the Physicalist Theory of Science -- 1. Verification and Elucidation -- 2. Elimination of Metaphysical Formulations by Means of the Physical Language -- 3. The 'Privileged Position' of Protocol Propositions and the Physicalist Criterion of Probation -- 4. Obtaining the Protocol Propositions -- 5. The 'True' Science -- III. Empiricism and Physicalism -- IV. Forms of Negation of Empirical Propositions -- 1. Forms of Negation -- 2. 'Complete' and 'Incomplete' Contradictions -- 3. The Obtaining and Verifying of Propositions -- 4. Negation of Constatations -- 5. Incompatibility of 'Protocol Statements' -- Postscript -- V. Principles of Logical Empiricism -- 1. Reality Concepts, Metaphysical and Empirical -- 2. Invariant Systems of Statements -- 3. Non-Behaviouristic Verification -- 4. K-Statements and Invariant Systems of Statements -- VI. The Method of Epistemological Analysis -- 1. Analysis of Form and of Content -- 2. Formal Analysis of the Concept of Existence -- 3. Content Analysis of the Concept of Causality -- VII. Probability Inferences as Syntactic Inferential Forms -- 1. Relations of Consequence, Deductive and Probable -- 2. The System of Relations of Probable Consequence -- 3. 'Probable Consequence' and 'Logical Truth' -- VIII. 'Positive' and 'Negative' Use of Statements -- 1. Truth Value and Content -- 2. Conditions to be Satisfied by any Definition of Truth -- 3. 'Positive' and 'Negative' Use of Statements -- 4. Negation and Falsity -- 5. Confusion of Positive with Negative Use -- 6. The Recursive Definition of the Concept of Truth -- IX. The New Form of Empirical Knowledge -- 1. The 'Empirical Continuous' Form of Knowledge of Classical Physics -- 2. Uncertainty Domains as Prerequisite for the Empirical-Fictitious Form of Knowledge -- 3. Probability Description, a Special Case of the Empirical Fictitious Form of Knowledge -- 4. Probability Functions as Relations between Measured and Fictitious Values -- 5. The Empirical Fictitious Method Conditioned by Measuring Procedures -- 6. The Definition of Probability Functions by Repeated Application of the Empirical-Fictitious Method -- X. The Methological Symmetry of Verification and Falsification -- 1. Like Names for Unlike Concepts -- 2. Empirical Propositions about Finitely and Infinitely -- Many Cases -- 3. Wittgenstein's Verification Thesis -- 4. Propositions about Finitely and Infinitely Many Cases. The Methodologies of Wittgenstein, Carnap, and Popper -- 5. 'Asymmetrical' Falsification Theories -- 6. Criteria of Scientific Progress -- 7. 'Complete' and 'Progressive Partial' Testability -- XI. Three Sources of Knowledge -- 1. The Triadic Method -- 2. Data of Consciousnes-Logico-Mathematical Constructions - Methods of Empirical Content -- 3. Three concepts of 'Truth' and 'Probability' -- XII. The Triadic Method -- 1. Elements of Linguistic Representation and the Triadic Method -- 2. The Triadic Analysis of 'Truth' -- 3. The Triadic Analysis of 'Probability' -- 4. The Triadic Analysis of 'Number' -- 5. The Triadic Analysis of 'Philosophic Expressions' -- XIII. The Method of Fictitious Predicates -- 1. Scientific and Speculative Philosophy -- 2. 'Operative' and 'Fictitious' Existence -- I: Predicates as Descriptive Concept-Forms -- 1. The Existence of Logico-Linguistic Forms -- 2. Dispositional Concepts as Fictitious Predicates -- 3. Characterization of Phenomena by Fictitious Quantities -- II: Predicates as Quantities Characterizing States -- 4. Characterizing by Infinite Values of Quantities -- 5. Characterizing Phenomena in Uncertainly Ranges by Means of Fictitious Values ('Values of Measurement') -- 6. Logical Analysis of the Concepts 'Motion' and 'Rest' -- 7. Logical Analysis of the Relativity Principle -- 8. The Clock Paradox -- 9. Conditions, under which the Relativity Principle Does not Hold -- 10. Domains of Uncertainty as a Presupposition for Applying the New Method -- III: Predicates as Probability Quantities -- 11. Analytic-Deductive Inferences. Inferences from Conjunctive Classes of Propositions -- 12. Inferences from Disjunctive Classes of Propositions. Probability Inferences -- 13. Systems of Probability Metric and Their Order -- 14. The Characterization of States by Conjunctive and Disjunctive Classes of Propositions -- 15. Presuppositions of Measurement in Classical and Relativistic Physics -- 16. Description by Ranges of Quantities -- 17. Definition of Probability Quantities by Means of Functions -- 18. Descriptions by Means of Probability and Metrical Quantities -- 19. Uncertainty Domains as Prerequisite for the Method of Fictitious Predicates -- 20. The Definition of Probability Functions by Means of Operators -- 21. Empirical and Fictitious Existence of Predicates -- 22. Theories of Measurement as a Presupposition of Exact-Continuous and of Probability Description -- 23. The Epistemological Conditions for Applying the Method of Fictitious Predicates -- 24. The Probability Field -- 25. Probability Description and Indeterminacy of Phenomena -- 26. The Logical Meaning of Quantisation. First and Second Quantisation -- 27. The Quantisation of Electromagnetic Fields -- IV. Empirical-Fictitious Knowledge -- 28. Active and Fictitious Causality -- 29. Greatest Possible and Least Possible Physical Constants -- 30. The New Form of Knowledge -- 31. The Matrix Field and the Probability Wave Field -- 32. Probability Description in Biology -- Index of Names.