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Luis M. Augusto
Independent Scientist
  1. Categories and Foundational Ontology: A Medieval Tutorial.Luis M. Augusto - 2022 - Journal of Knowledge Structures and Systems 3 (1):1-56.
    Foundational ontologies, central constructs in ontological investigations and engineering alike, are based on ontological categories. Firstly proposed by Aristotle as the very ur- elements from which the whole of reality can be derived, they are not easy to identify, let alone partition and/or hierarchize; in particular, the question of their number poses serious challenges. The late medieval philosopher Dietrich of Freiberg wrote around 1286 a tutorial that can help us today with this exceedingly difficult task. In this paper, I discuss (...)
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  2. Bridging Mainstream and Formal Ontology: A Causality-Based Upper Ontology in Dietrich of Freiberg.Luis M. Augusto - 2021 - Journal of Knowledge Structures and Systems 2 (2):35.
    Ontologies are some of the most central constructs in today's large plethora of knowledge technologies, namely in the context of the semantic web. As their coinage indicates, they are direct heirs to the ontological investigations in the long Western philosophical tradition, but it is not easy to make bridges between them. Contemporary ontological commitments often take causality as a central aspect for the ur-segregation of entities, especially in scientific upper ontologies; theories of causality and philosophical ontological investigations often go hand-in-hand, (...)
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  3. Toward a General Theory of Knowledge.Luis M. Augusto - 2020 - Journal of Knowledge Structures and Systems 1 (1):63-97.
    For millennia, knowledge has eluded a precise definition. The industrialization of knowledge (IoK) and the associated proliferation of the so-called knowledge communities in the last few decades caused this state of affairs to deteriorate, namely by creating a trio composed of data, knowledge, and information (DIK) that is not unlike the aporia of the trinity in philosophy. This calls for a general theory of knowledge (ToK) that can work as a foundation for a science of knowledge (SoK) and additionally distinguishes (...)
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  4. From Symbols to Knowledge Systems: A. Newell and H. A. Simon's Contribution to Symbolic AI.Luis M. Augusto - 2021 - Journal of Knowledge Structures and Systems 2 (1):29 - 62.
    A. Newell and H. A. Simon were two of the most influential scientists in the emerging field of artificial intelligence (AI) in the late 1950s through to the early 1990s. This paper reviews their crucial contribution to this field, namely to symbolic AI. This contribution was constituted mostly by their quest for the implementation of general intelligence and (commonsense) knowledge in artificial thinking or reasoning artifacts, a project they shared with many other scientists but that in their case was theoretically (...)
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  5. Languages, Machines, and Classical Computation.Luis M. Augusto - 2021 - London, UK: College Publications.
    3rd ed, 2021. A circumscription of the classical theory of computation building up from the Chomsky hierarchy. With the usual topics in formal language and automata theory.
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  6. Many-Valued Logics. A Mathematical and Computational Introduction.Luis M. Augusto - 2020 - London: College Publications.
    2nd edition. Many-valued logics are those logics that have more than the two classical truth values, to wit, true and false; in fact, they can have from three to infinitely many truth values. This property, together with truth-functionality, provides a powerful formalism to reason in settings where classical logic—as well as other non-classical logics—is of no avail. Indeed, originally motivated by philosophical concerns, these logics soon proved relevant for a plethora of applications ranging from switching theory to cognitive modeling, and (...)
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  7. Lost in Dissociation: The Main Paradigms in Unconscious Cognition.Luis M. Augusto - 2016 - Consciousness and Cognition 42:293-310.
    Contemporary studies in unconscious cognition are essentially founded on dissociation, i.e., on how it dissociates with respect to conscious mental processes and representations. This is claimed to be in so many and diverse ways that one is often lost in dissociation. In order to reduce this state of confusion we here carry out two major tasks: based on the central distinction between cognitive processes and representations, we identify and isolate the main dissociation paradigms; we then critically analyze their key tenets (...)
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  8. Unconscious Knowledge: A Survey.Luis M. Augusto - 2010 - Advances in Cognitive Psychology 6:116-141.
    The concept of unconscious knowledge is fundamental for an understanding of human thought processes and mentation in general; however, the psychological community at large is not familiar with it. This paper offers a survey of the main psychological research currently being carried out into cognitive processes, and examines pathways that can be integrated into a discipline of unconscious knowledge. It shows that the field has already a defined history and discusses some of the features that all kinds of unconscious knowledge (...)
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  9. Formal Logic: Classical Problems and Proofs.Luis M. Augusto - 2019 - London, UK: College Publications.
    Not focusing on the history of classical logic, this book provides discussions and quotes central passages on its origins and development, namely from a philosophical perspective. Not being a book in mathematical logic, it takes formal logic from an essentially mathematical perspective. Biased towards a computational approach, with SAT and VAL as its backbone, this is an introduction to logic that covers essential aspects of the three branches of logic, to wit, philosophical, mathematical, and computational.
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  10.  56
    Entities and Their Genera: Slicing Up the World the Medieval Way--And Does It Matter to Formal Ontology?Luis M. Augusto - 2022 - Journal of Knowledge Structures and Systems 3 (2):4-47.
    Genera, typically hand-in-hand with their branching species, are essential elements of vocabulary-based information constructs, in particular scientific taxonomies. Should they also feature in formal ontologies, the highest of such constructs? I argue in this article that the answer is “Yes” and that the question posed in its title also has a Yes-answer: The way medieval ontologists sliced up the world into genera does matter to formal ontology. More specifically, the way Dietrich of Freiberg, a Latin scholastic, conceived and applied strictly (...)
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  11. Unconscious Representations 1: Belying the Traditional Model of Human Cognition.Luis M. Augusto - 2013 - Axiomathes 23 (4):1-19.
    The traditional model of human cognition (TMHC) postulates an ontological and/or structural gap between conscious and unconscious mental representations. By and large, it sees higher-level mental processes as commonly conceptual or symbolic in nature and therefore conscious, whereas unconscious, lower-level representations are conceived as non-conceptual or sub-symbolic. However, experimental evidence belies this model, suggesting that higher-level mental processes can be, and often are, carried out in a wholly unconscious way and/or without conceptual representations, and that these can be processed unconsciously. (...)
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  12.  62
    Transitions Versus Dissociations: A Paradigm Shift in Unconscious Cognition.Luis M. Augusto - 2018 - Axiomathes (3):269-291.
    Since Freud and his co-author Breuer spoke of dissociation in 1895, a scientific paradigm was painstakingly established in the field of unconscious cognition. This is the dissociation paradigm. However, recent critical analysis of the many and various reported dissociations reveals their blurred, or unveridical, character. Moreover, we remain ignorant with respect to the ways cognitive phenomena transition from consciousness to an unconscious mode. This hinders us from filling in the puzzle of the unified mind. We conclude that we have reached (...)
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  13. Unconscious Representations 2: Towards an Integrated Cognitive Architecture.Luis M. Augusto - 2014 - Axiomathes 24 (1):19-43.
    The representational nature of human cognition and thought in general has been a source of controversies. This is particularly so in the context of studies of unconscious cognition, in which representations tend to be ontologically and structurally segregated with regard to their conscious status. However, it appears evolutionarily and developmentally unwarranted to posit such segregations, as,otherwise, artifact structures and ontologies must be concocted to explain them from the viewpoint of the human cognitive architecture. Here, from a by-and-large Classical cognitivist viewpoint, (...)
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  14.  20
    The Form in Formal Thought Disorder: A Model of Dyssyntax in Semantic Networking.Farshad Badie & Luis M. Augusto - 2022 - MDPI AI 3:353–370.
    Formal thought disorder (FTD) is a clinical mental condition that is typically diagnosable by the speech productions of patients. However, this has been a vexing condition for the clinical community, as it is not at all easy to determine what “formal” means in the plethora of symptoms exhibited. We present a logic-based model for the syntax–semantics interface in semantic networking that can not only explain, but also diagnose, FTD. Our model is based on description logic (DL), which is well known (...)
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  15.  26
    What of Multi- and Interdisciplinarity? A (Personal) Case Study.Luis M. Augusto - 2022 - Journal of Knowledge Structures and Systems 3 (2):1-3.
    An analysis of--yet another--case of academic failure in multi- and interdisciplinarity. An editorial of the Journal of Knowledge Structures & Systems.
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  16.  70
    Albertus Magnus and the Emergence of Late Medieval Intellectualism.Luis M. Augusto - 2009 - Mediaevalia: Textos E Estudos 28 (28):27-43.
    On how medieval philosophy is not (only) theology.
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  17. Who's Afraid of Idealism?: Epistemological Idealism From the Kantian and Nietzschean Points of View.Luis M. Augusto - 2005 - University Press of America.
    In Who's Afraid of Idealism? the philosophical concept of idealism, the extent to which reality is mind-made, is examined in new light. Author Luis M. Augusto explores epistemological idealism, at the source of all other kinds of idealism, from the viewpoints of Immanuel Kant and Friedrich Nietzsche, two philosophers who spent a large part of their lives denigrating the very concept. Working from Kant and Nietzsche's viewpoints that idealism was a scandal to philosophy and the cause of nihilism, Augusto evaluates (...)
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  18.  74
    Putting the horse before the cart: A pragmatist analysis of knowledge.Luís M. Augusto - 2011 - Trans/Form/Ação 34 (2):135-152.
    The definition of knowledge as justified true belief is the best we presently have. However, the canonical tripartite analysis of knowledge does not do justice to it due to a Platonic conception of a priori truth that puts the cart before the horse. Within a pragmatic approach, I argue that by doing away with a priori truth, namely by submitting truth to justification, and by accordingly altering the canonical analysis of knowledge, this is a fruitful definition. So fruitful indeed that (...)
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  19.  18
    JKSS and Paul Feyerabend.Luis M. Augusto - 2021 - Journal of Knowledge Structures and Systems 2 (1):1-2.
    In this editorial, I explain how Paul Feyerabend's Principle of Proliferation is adopted and adapted as a publication model for the Journal of Knowledge Structures and Systems (JKSS). Critical views on the limitations of both non-dynamic publishing models and government- and industry-based models of research are expressed.
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  20. A Little Idealism Is Idealism Enough: A Study on Idealism In Aristotle’s Epistemology.Luis M. Augusto - 2006 - Idealistic Studies 36 (1):61-73.
    Given the evidence available today, we know that the later Middle Ages knew strong forms of idealism. However, Plato alone will not do to explain some of its features. Aristotle was the most important philosophical authority in the thirteenth and fourteenth centuries, but until now no one dared explore in his thought the roots of this idealism because of the dogma of realism surrounding him. I challenge this dogma, showing that the Stagirite contained in his thought the roots of idealist (...)
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  21.  59
    Teodorico de Freiberg: tratado sobre a origem das coisas categoriais.Luis M. Augusto - 2011 - Revista Filosófica de Coimbra 20 (40):507-552.
    Translation from the Latin into Portuguese, with extensive introduction and notes, of Dietrich of Freiberg's De origine rerum praedicamentalium, Chapters 1 and 2. This text, a late medieval treatise on reality and human cognition (or human cognition and reality), is a particularly hard nut to crack; hence my having translated it (O.K., I also enjoyed the Latin part).
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  22.  49
    Do Unconscious Beliefs Yield Knowledge?Luis M. Augusto - 2009 - Revista Filosófica de Coimbra 18 (35):161-184.
    This paper defends the view that a correct analysis of knowledge must take empirical data into consideration. The data here provided is from experimental psychology, namely from phenomena involving unconscious cognition.
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  23. Accommodating Unconscious Beliefs.Luis M. Augusto - 2010 - Princípios 17 (28):129-154.
    More often than not, theories of belief and of belief ascription restrict themselves to conscious beliefs, thus obliterating a vast part of our mental life and offering extremely incomplete, unrealistic theories. Indeed, conscious beliefs are the exception, not the rule, as far as human doxastic states are concerned, and a naturalistic, realistic theory of knowledge that aspires to completeness has to take unconscious beliefs into consideration. This paper is the elaboration of such a theory of belief.
     
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  24.  67
    Teodorico de Freiberg: tratado sobre e a origem das coisas categoriais.Luis M. Augusto - 2012 - Revista Filosófica de Coimbra 21 (42):607-648.
    Translation from the Latin into Portuguese, with extensive introduction and notes, of Dietrich of Freiberg's De origine rerum praedicamentalium, Chapter 5. This text, a late medieval treatise on reality and human cognition (or human cognition and reality), is a particularly hard nut to crack; hence my having translated it (O.K., I also enjoyed the Latin part).
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  25.  64
    Teodorico de Freiberg: Tratado sobre a Origem das Coisas Categoriais.Luis M. Augusto - 2012 - Revista Filosófica de Coimbra 21 (41):297-330.
    Translation from the Latin into Portuguese, with extensive introduction and notes, of Dietrich of Freiberg's De origine rerum praedicamentalium, Chapters 3 and 4. This text, a late medieval treatise on reality and human cognition (or human cognition and reality), is a particularly hard nut to crack; hence my having translated it (O.K., I also enjoyed the Latin part).
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  26. Computational Logic. Vol. 1: Classical Deductive Computing with Classical Logic. 2nd Ed.Luis M. Augusto - 2022 - London: College Publications.
    This is the 3rd edition. Although a number of new technological applications require classical deductive computation with non-classical logics, many key technologies still do well—or exclusively, for that matter—with classical logic. In this first volume, we elaborate on classical deductive computing with classical logic. The objective of the main text is to provide the reader with a thorough elaboration on both classical computing – a.k.a. formal languages and automata theory – and classical deduction with the classical first-order predicate calculus with (...)
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  27. Freud, Jung, Lacan: Sobre o inconsciente.Luís M. Augusto - 2013 - Universidade do Porto.
    Introduction - From the Illiad to the Studies on Hysteria: A chronology of the discovery of the unconscious mind - Freud's theories of the unconscious mind - Jung's collective unconscious - Lacan's linguistic paradigm.
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  28.  78
    Knowledge & Logic: Towards a Science of Knowledge.Luis M. Augusto - manuscript
    Just started a new book. The aim is to establish a science of knowledge in the same way that we have a science of physics or a science of materials. This might appear as an overly ambitious, possibly arrogant, objective, but bear with me. On the day I am beginning to write it–June 7th, 2020–, I think I am in possession of a few things that will help me to achieve this objective. Again, bear with me. My aim is well (...)
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  29.  85
    Logic in Knowledge Representation and Reasoning: Central Topics Via Readings.Luis M. Augusto - manuscript
    Logic has been a—disputed—ingredient in the emergence and development of the now very large field known as knowledge representation and reasoning. In this book (in progress), I select some central topics in this highly fruitful, albeit controversial, association (e.g., non-monotonic reasoning, implicit belief, logical omniscience, closed world assumption), identifying their sources and analyzing/explaining their elaboration in highly influential published work.
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  30. Lógicas multivalentes. Uma introdução matemática e computacional.Luis M. Augusto - 2016 - Dissertation, Universidade Aberta
    This is a mathematical and computational intro to many-valued logics. The approach is mostly mathematical, namely algebraic (via the notion of logical matrix) and computational (via the satisfiability problem). An automated calculus -- the signed resolution calculus for many-valued logics -- is elaborated on.
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  31. Medieval idealism: The epistemological idealism of the 13th-14th centuries.Luis M. Augusto - 2006 - Dissertation, Université Paris 4 - Sorbonne
    In this Ph.D. dissertation, completed at the Sorbonne, it is shown that the whole of medieval philosophy was not reduced to a realist stance: in the 13th-14th centuries, an idealist stance emerged and was developed into a full-fledged epistemological idealism, personified in the philosophers Eckhart von Hochheim and Dietrich von Freiberg. This dissertation deviates from most works in the history of philosophy by proposing to see this as a taxonomy.
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  32. Eckhart's Bilder.Luís M. Augusto - 2008 - Princípios 15 (24):167-186.
    Eckhart’s doctrine of the bilder is highly original not so much for containing new elements as for the conciliation it achieved among sources at first sight incompatible; these sources can be reduced to three main ones: Plato, Aristotle, and Christian thought. In this paper, I show that Eckhart’s doctrine of the bilder is simultaneously a) an Aristotelian epistemic recreation of Plato’s doctrine of ideas, and b) a Christian ontological recreation of Aristotle’s doctrine of cognition. As such, it is a technical (...)
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  33.  8
    Eckhart and the ‘Unconscious’.Luis M. Augusto - 2008 - Revista Filosófica de Coimbra 17 (33):159-167.