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  1. Judaic Logic: A Formal Analysis of Biblical, Talmudic and Rabbinic Logic.Avi Sion - 1995 - Geneva, Switzerland: Slatkine; CreateSpace & Kindle; Lulu..
    Judaic Logic is an original inquiry into the forms of thought determining Jewish law and belief, from the impartial perspective of a logician. Judaic Logic attempts to honestly estimate the extent to which the logic employed within Judaism fits into the general norms, and whether it has any contributions to make to them. The author ranges far and wide in Jewish lore, finding clear evidence of both inductive and deductive reasoning in the Torah and other books of the Bible, and (...)
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  2.  30
    ANNEX to The Logic of Causation.Avi Sion - manuscript
    Avi Sion's book The Logic of Causation (2010) could not include all relevant tables (which either justified or applied various doctrines in the book), due to their sizes or quantity. These additional tables were made available to interested readers at time of publication in the author's website The Logician. The present 'Annex' collects in one pdf file the numerous original pdf files, to facilitate download. The file is almost 0.5 Gb in size, and contains almost 108,000 pages.
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  3. A Fortiori Logic: Innovations, History and Assessments.Avi Sion - 2013 - Geneva, Switzerland: CreateSpace & Kindle; Lulu..
    A Fortiori Logic: Innovations, History and Assessments is a wide-ranging and in-depth study of a fortiori reasoning, comprising a great many new theoretical insights into such argument, a history of its use and discussion from antiquity to the present day, and critical analyses of the main attempts at its elucidation. Its purpose is nothing less than to lay the foundations for a new branch of logic and greatly develop it; and thus to once and for all dispel the many fallacious (...)
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  4. ALL THE MORE: A Merged List of 72 Qal Vachomer Arguments in the Tanakh.Avi Sion - 2024 - Geneva, Switzerland: Amazon/Kindle.
    ALL THE MORE, by Avi Sion, Ph.D., comprises a merged list of 72 qal vachomer arguments in the Tanakh, i.e. of a fortiori arguments in the Hebrew Bible. This listing brings together lists proposed in past rabbinic literature and in more recent studies by the author. The literature research for it was carried out mainly by R. Yaakov Gabay, who looked into works in Hebrew by five rabbis who had proposed lists, namely: R. Shmuel Yaffe Ashkenazi (Yefeh Toar, 1597), R. (...)
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  5. Buddhist Illogic: A Critical Analysis of Nagarjuna's Arguments.Avi Sion - 2002 - Geneva, Switzerland: CreateSpace & Kindle; Lulu..
    Buddhist Illogic. The 2nd Century CE Indian philosopher Nagarjuna founded the Madhyamika (Middle Way) school of Mahayana Buddhism, which strongly influenced Chinese, Korean and Japanese (Ch’an or Zen) Buddhism, as well as Tibetan Buddhism. Nagarjuna is regarded by many Buddhist writers to this day as a very important philosopher, who they claim definitively proved the futility of ordinary human cognitive means. His writings include a series of arguments purporting to show the illogic of logic, the absurdity of reason. He considers (...)
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  6. Ethics.Avi Sion - 2008 - Geneva, Switzerland: CreateSpace & Kindle; Lulu..
    Ethics is a collection of thoughts on the method, form and content of Ethics. This book is a thematic compilation drawn from past works by the author, over a period of thirteen years. The essays are placed in chronological order.
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  7. Exposing Fake Logic.Avi Sion - 2018 - Geneva, Switzerland: CreateSpace & Kindle; Lulu.. Edited by Avi Sion.
    Exposing Fake Logic by Avi Sion is a collection of essays written after publication of his book A Fortiori Logic, in which he critically responds to derivative work by other authors who claim to know better. This is more than just polemics; but allows further clarifications of a fortiori logic and of general logic. This collection includes essays on: a fortiori argument (in general and in Judaism); Luis Duarte D’Almeida; Mahmoud Zeraatpishe; Michael Avraham (et al.); an anonymous reviewer of BDD (...)
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  8. (1 other version)Future logic: categorical and conditional deduction and induction of the natural, temporal, extensional, and logical modalities.Avi Sion - 1990 - Charleston, South Carolina: CreateSpace.
     
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  9. Inductive Logic.Avi Sion - 2018 - Geneva, Switzerland: CreateSpace & Kindle; Lulu..
    Inductive Logic is a ‘thematic compilation’ by Avi Sion. It collects in one volume many (though not all) of the essays, that he has written on this subject over a period of some 23 years, which all demonstrate the possibility and conditions of validity of human knowledge, the utility and reliability of human cognitive means when properly used, contrary to the skeptical assumptions that are nowadays fashionable. A new essay, The Logic of Analogy, was added in 2022.
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  10. Logical and Spiritual Reflections.Avi Sion - 2008 - Geneva, Switzerland: CreateSpace & Kindle; Lulu..
    Logical and Spiritual Reflections is a collection of six shorter philosophical works, including: Hume’s Problems with Induction; A Short Critique of Kant’s Unreason; In Defense of Aristotle’s Laws of Thought; More Meditations; Zen Judaism; No to Sodom. Of these works, the first set of three constitutes the Logical Reflections, and the second set constitutes the Spiritual Reflections. Hume’s Problems with Induction, which is intended to describe and refute some of the main doubts and objections David Hume raised with regard to (...)
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  11. Logical Criticism of Buddhist Doctrines.Avi Sion - 2017 - Geneva, Switzerland: CreateSpace & Kindle; Lulu..
    Logical Criticism of Buddhist Doctrines is a ‘thematic compilation’ by Avi Sion. It collects in one volume the essays that he has written on this subject over a period of some 15 years after the publication of his first book on Buddhism, Buddhist Illogic. It comprises expositions and empirical and logical critiques of many (though not all) Buddhist doctrines, such as impermanence, interdependence, emptiness, the denial of self or soul. It includes his most recent essay, regarding the five skandhas doctrine.
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  12. Logic in the Torah.Avi Sion - 2018 - Geneva, Switzerland: CreateSpace & Kindle; Lulu..
    Logic in the Torah is a ‘thematic compilation’ by Avi Sion. It collects in one volume essays that he has written on this subject in Judaic Logic (1995) and A Fortiori Logic (2013), in which traces of logic in the Torah and related religious documents (the Nakh, the Christian Bible, and the Koran and Hadiths) are identified and analyzed.
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  13. Logic in the Talmud.Avi Sion - 2018 - Geneva, Switzerland: CreateSpace & Kindle; Lulu..
    Logic in the Talmud is a ‘thematic compilation’ by Avi Sion. It collects in one volume essays that he has written on this subject in Judaic Logic (1995) and A Fortiori Logic (2013), in which traces of logic in the Talmud (the Mishna and Gemara) are identified and analyzed. While this book does not constitute an exhaustive study of logic in the Talmud, it is a ground-breaking and extensive study. A new essay, The Logic of Analogy, was added in 2022.
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  14.  14
    Logical philosophy: a compendium.Avi Sion - 2013 - Charleston, South Carolina: CreateSpace.
    Logical Philosophy: A Compendium brings together five works by Avi Sion published in 2002-06, namely: Phenomenology (2003), Volition and Allied Causal Concepts (2004), Meditations (2006), Ruminations (2005), and Buddhist Illogic (2002). These works together define what may be termed 'Logical Philosophy', i.e. philosophical discourse distinguished by its steadfast reliance on inductive and deductive logic to resolve epistemological and ontological issues. This collection does not include work done on The Logic of Causation in the same period (published in 2003, 2005).
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  15. Meditations: A Spiritual Logbook.Avi Sion - 2006 - Geneva, Switzerland: CreateSpace & Kindle; Lulu..
    Meditations. A meditation is a voluntary exercise intended to increase awareness, sustained over some time. The main purpose of the present Meditations is to inspire and assist readers to practice meditation of some sort, and in particular ‘sitting meditation’. This includes practices such as: observing the mechanisms of one’s thinking, stopping unnecessary thought, forgetting things about one’s self and one’s life that are irrelevant to the current effort of meditation, dealing with distractions, becoming aware of one’s breath, being here and (...)
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  16. Phenomenology: Basing Knowledge on Appearance.Avi Sion - 2003 - Geneva, Switzerland: CreateSpace & Kindle; Lulu..
    Phenomenology is the study of appearance as such. It is a branch of both Ontology and Epistemology, since appearing is being known. By an ‘appearance’ is meant any existent which impinges on consciousness, anything cognized, irrespective of any judgment as to whether it be ‘real’ or ‘illusory.’ The evaluation of a particular appearance as a reality or an illusion is a complex process, involving inductive and deductive logical principles and activities. Opinion has to earn the status of strict knowledge. Knowledge (...)
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  17. Paradoxes and Their Resolutions.Avi Sion - 2017 - Geneva, Switzerland: CreateSpace & Kindle; Lulu..
    Paradoxes and their Resolutions is a ‘thematic compilation’ by Avi Sion. It collects in one volume the essays that he has written in the past (over a period of some 27 years) on this subject. It comprises expositions and resolutions of many (though not all) ancient and modern paradoxes, including: the Protagoras-Euathlus paradox (Athens, 5th Cent. BCE), the Liar paradox and the Sorites paradox (both attributed to Eubulides of Miletus, 4th Cent. BCE), Russell’s paradox (UK, 1901) and its derivatives the (...)
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  18. Ruminations: Sundry Notes and Essays on Logic.Avi Sion - 2005 - Geneva, Switzerland: CreateSpace & Kindle; Lulu..
    Ruminations is a collection of sundry notes and essays on Logic. These complement and enrich the author’s past writings, further analyzing or reviewing certain issues. Among the many topics covered are: the importance of the laws of thought, and how they are applied using the logic of paradox; details of formal logic, including some important new insights on the nesting, merger and splitting up of hypothetical propositions; details of causal logic, including analogical reasoning from cause to cause; a cutting-edge phenomenological (...)
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  19. Theology.Avi Sion - 2008 - Geneva, Switzerland: CreateSpace & Kindle; Lulu..
    Theology is about God and Creation, or more precisely perhaps about our ideas of them, how they are formed and somewhat justified, although it is stressed that they can be neither proved nor disproved. This book is a thematic compilation drawn from past works by the author over a period of thirteen years. A new essay, about prayer, was added in 2022.
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  20. The Art of Logic.Avi Sion - 2024 - Geneva, Switzerland: Amazon/Kindle.
    The Art of Logic by Avi Sion is a collection of recent essays on various topics in logic theory and in applied logic. The same faculty and art of logic is called for in formulating theoretical logic and in applying its findings to diverse fields. The essays here collected deal with some very important issues in logic, philosophy, and spirituality, which he had not previously treated in as much detail if at all.
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  21. The Logic of Causation: Definition, Induction and Deduction of Deterministic Causality.Avi Sion - 1999 - Geneva, Switzerland: CreateSpace & Kindle; Lulu..
    The Logic of Causation: Definition, Induction and Deduction of Deterministic Causality is a treatise of formal logic and of aetiology. It is an original and wide-ranging investigation of the definition of causation (deterministic causality) in all its forms, and of the deduction and induction of such forms. The work was carried out in three phases over a dozen years (1998-2010), each phase introducing more sophisticated methods than the previous to solve outstanding problems. This study was intended as part of a (...)
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  22. The Laws of Thought.Avi Sion - 2008 - Geneva, Switzerland: CreateSpace & Kindle; Lulu..
    The Laws of Thought is an exploration of the deductive and inductive foundations of rational thought. The author here clarifies and defends Aristotle’s Three Laws of Thought, called the Laws of Identity, Non-contradiction and Exclusion of the Middle – and introduces two more, which are implicit in and crucial to them: the Fourth Law of Thought, called the Principle of Induction, and the Fifth Law of Thought, called the Principle of Deduction. This book is a thematic compilation drawn from past (...)
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  23. The Logic of Analogy.Avi Sion - 2023 - USA: Amazon/Kindle.
    The Logic of Analogy is a study of the valid logical forms of qualitative and quantitative analogical argument, and the rules pertaining to them. It investigates equally valid conflicting arguments, statistics-based arguments and their utility in science, arguments from precedent used in law-making or law-application, and examines subsumption in analogical terms. Included for purposes of illustration is a large section on Talmudic use of analogical reasoning.
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  24. The Self.Avi Sion - 2008 - Geneva, Switzerland: CreateSpace & Kindle; Lulu..
    The Self is an inquiry into the concepts of self, soul, person, ego, consciousness, psyche and mind – ranging over phenomenology, logic, epistemology, ontology, psychology, spirituality, meditation, ethics and metaphysics. This book is a thematic compilation drawn from past works (1990-2008) by the author. The present, expanded edition includes an essay written in 2016 on the Buddhist five skandhas doctrine.
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  25. Volition and Allied Causal Concepts.Avi Sion - 2004 - Geneva, Switzerland: CreateSpace & Kindle; Lulu..
    Volition and Allied Causal Concepts is a work of aetiology and metapsychology. Aetiology is the branch of philosophy and logic devoted to the study of causality (the cause-effect relation) in all its forms; and metapsychology is the study of the basic concepts common to all psychological discourse, most of which are causal. Volition (or free will) is to be distinguished from causation and natural spontaneity. The latter categories, i.e. deterministic causality and its negation, have been treated in a separate work, (...)
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