Publication date: 30 November 2016 Source: Author: Marcin Böhm The Empire of Nicaea was a successor of the Byzantium shattered in 1204. In the newly established state marine traditions of Byzantines, remain alive. The best testimony to this, are the evidence contained in the chronicle of Georgios Akropolites, devoted to activities of the rulers of Nicaea, aimed to build their own naval forces. In this paper I'll also try to answer, where was beating the heart of the Nicean shipbuilding (...) industry and how large was the navy of this state. This is important from point of view of the maritime history, because of the fleet of the Empire of Nicaea, filled the gap created after the fall of Constantinople and the Byzantine Empire, which was the local naval power in previous centuries. Akropolites give us a clear and direct answer to a question, where we should search for a center of Nicaean shipbuilding industry. Georgios Akropolites suggest us, that was in two towns, Holkos and Smyrna. The above-mentioned fleet consisted of the few squadrons, each counting 5-6 ships. We can only guess that a fleet of the John III, could count about 50 warships, whose quality was worse to that belonging to the Venetians. We must say that the fleet of the Empire of Nicaea, which we see in the chronicle of Akropolites, was the force, that lent itself to the support of ground forces. And in this role worked well. The situation was different when it comes to clashing with the Venetians, with the experienced crews of their ships, who surpassed Nicaean in this matter. Even with the advantage of numbers, Nicaean was unable to overcome at the sea, the citizens of the Republic of St. Mark. The plan to build their own naval forces, which was taken by the emperors of Nicaea, was a good direction. (shrink)

Assent is an important ethical and legal requirement of paediatric research. Unfortunately, there are significant differences between the guidelines on the details of assent.

The goal of this chapter is to catalogue ways in which practical argumentation —argumentation aimed at deciding on a course of action—is produced discursively in deliberative discussions. This is a topic largely neglected in the literature on PA focused primarily on the abstract features of practical inference. I connect to this literature by arguing that the complex scheme of PA inferentially hinges on three different principles for rationally selecting means to achieve the desired goal: the means have to be either (...) the best, satisfactory or necessary in order to ground the practical inference and thus be adopted. Based on these theoretically-derived distinctions, I scrutinise the linguistic indicators of the three types of means-goal inferences of PA. As a corpus, I use a set of official European Union policy documents called Transforming Europe’s energy system released in Brussels in July 2015. (shrink)

This article presents the works of great Polish philosopher, Mieczysław Albert Krąpiec, whose creative output can be applied to professional nursing practice. Krąpiec's philosophical heritage is extensive and encompasses many philosophical fields: metaphysics, philosophical anthropology, philosophy of law, philosophy of culture, philosophy of politics and philosophy of language. Krąpiec created an original philosophical synthesis characterized by a realistic approach. In this paper, I present only one of several original philosophical concepts developed by Krąpiec: the theory of the person based on (...) seven essential characteristics, that is the ability for cognition, love, freedom, religion, legal subjectivity, completeness and dignity. I attempt to show how these personal characteristics correspond to various patient needs. I argue that the qualitative deficit of any personal characteristics indicated by Krąpiec corresponds to a patient's real need that must be satisfied. I also stress that the skilful diagnosing of all—not only selected—qualitative deficits of characteristics can be defined as holistic care in the nursing profession. (shrink)

This paper addresses the following question: Can one and the same utterance token, in one unique speech situation, intentionally and conventionally perform a plurality of illocutionary acts? While some of the recent literature has considered such a possibility Perspectives on pragmatics and philosophy. Springer, Cham, pp 227–244, 2013; Johnson in Synthese 196:1151–1165, 2019), I build a case for it by drawing attention to common conversational complexities unrecognized in speech acts analysis. Traditional speech act theory treats communication as: a dyadic exchange (...) between a Speaker and a Hearer who trade illocutionary acts endowed with one and only one primary force. I first challenge assumption by discussing two contexts where plural illocutionary forces are performed in dyadic discussions: dilemmatic deliberations and strategic ambiguity. Further, I challenge assumption by analyzing poly-adic discussions, where a speaker can target various participants with different illocutionary acts performed via the same utterance. Together, these analyses defend illocutionary pluralism as a significant but overlooked fact about communication. I conclude by showing how some phenomena recently analyzed in speech act theory—back-door speech acts New work on speech acts. Oxford University Press, Oxford, pp 144–164, 2018) and dog-whistles New work on speech acts. Oxford University Press, Oxford, pp 360–383, 2018)—implicitly presuppose illocutionary pluralism without recognizing it. (shrink)

Dialectical fallacies are typically defined as breaches of the rules of a regulated discussion between two participants. What if discussions become more complex and involve multiple parties with distinct positions to argue for? Are there distinct argumentation norms of polylogues? If so, can their violations be conceptualized as polylogical fallacies? I will argue for such an approach and analyze two candidates for argumentative breaches of multi-party rationality: false dilemma and collateral straw man.

Since 1989, clinical ethics consultation in form of hospital ethics committees was established in most of the transition countries of Central and Eastern Europe. Up to now, the similarities and differences between HECs in Central and Eastern Europe and their counterparts in the U.S. and Western Europe have not been determined. Through search in literature databases, we have identified studies that document the implementation of clinical ethics consultation in Central and Eastern Europe. These studies have been analyzed under the following (...) aspects: mode of establishment of HECs, character of consultation they provide, and their composition. The results show that HECs in the transition countries of Central and Eastern Europe differ from their western-European or U.S. counterparts with regard to these three aspects. HECs were established because of centrally imposed legal regulations. Little initiatives in this area were taken by medical professionals interested in resolving emerging ethical issues. HECs in the transition countries concentrate mostly on review of research protocols or resolution of administrative conflicts in healthcare institutions. Moreover, integration of non-professional third parties in the workings of HECs is often neglected. We argue that these differences can be attributed to the historical background and the role of medicine in these countries under the communist regime. Political and organizational structures of healthcare as well as education of healthcare staff during this period influenced current functioning of clinical ethics consultation in the transition countries. (shrink)

Résumé L’article presente les changements qui se sont manifestes dans la recherche polonaise, essentiellement en litterature et histoire des Lumieres, entre 1945 et 1990. L’accent est mis sur l’impact du contexte politique sur la recherche. Les annees 1945-1956 ont ete marquees par de fortes contraintes ideologiques car le regime communiste imposait aux chercheurs une vision simplifiee des Lumieres censee repondre aux besoins de ses plans. Apres l’epoque stalinienne, la pression ideologique et institutionnelle s’est progressivement reduite, ouvrant la voie a davantage (...) de liberte de recherche et d’interpretation des Lumieres. Si certains episodes historiques continuaient a faire l’objet de debats publics, la vision des Lumieres produite par les travaux s’effectuait desormais sans ingerence directe du pouvoir. (shrink)

The paper describes the state and local parliamentary activity of Marcjan Ścibor Chełmski, one of the most interesting parliamentarians in the Polish-Lithuanian Commonwealth of the 17th century. The text is based on archival research including the Parliament manuscript diaries, private correspondence describing the debates; published sources: instructions, parliamentary resolutions, memoirs; and studies of the history of parliamentarism, on top of the functioning of the political elite and the circulation of information. M.S. Chełmski came from a family with a strong tradition (...) of public service settled in the Krakow province. He began his career as a parliamentarian by being elected to the Sejm in 1613, and later sat in the Parliaments of: 1616, 1618, 1619, 1620, 1621, 1625, 1626/I, 1626/II, 1629/I, 1629/II, 1631, 1632, 1633, 1634, 1635, 1637/I, 1637/II and 1638. He was one of the MPs who usually had a strong presence in the Chamber of Deputies. During the debates he addressed the issues of noble freedom in the spirit hostile to absolutum dominium, economic issues, procedural issues, and religious freedom. The collected source material confirms Chełmski’s great public activity in Lesser Poland and the evolution of his political stance at the Sejm from an oppositionist during the reign of Sigismund III Vasa to a moderate supporter of the royal court. Sources indicate that Chełmski had a reputation as an esteemed legal expert. He held the dignity of Marshal of the Crown Tribunal. For over 30 years he was one of the most active participants of the local parliament life in the Krakow province. The evolution of Chełmski’s political stance during the reign of Władysław IV Vasa resulted in his nomination for a prestigious office of the Chamberlain of Krakow. (shrink)

We present the propositional logic LEC for the two epistemic modalities of current and stable knowledge used by an agent who system-atically enriches his language. A change in the linguistic resources of an agent as a result of certain cognitive processes is something that commonly happens. Our system is based on the logic LC intended to formalize the idea that the occurrence of changes induces the passage of time. Here, the primitive operator C read as: it changes that, defines the (...) temporal succession of states of the world. The notion of current knowledge concerns variable components of the world and it may change over time. We represent it by the primitive operator k read as: the agent currently knows that, and assume that it has S5 properties. The second type of knowledge, symbolized by the primitive operator K read as: the agent stably knows that, relates to constant components of the world and it does not change. As a result of the axiomatic entanglement of C, K and k we show that stable knowledge satisfies axioms of S4.3. K and k modalities are not mutually definable, stable knowledge implies the current one and if the latter never changes, then it comes to be stable. The combination of K and k with the idea of an expanding language allows questioning of the so-called perfect recall principle. It cannot be maintained for both types of knowledge just because of changes in the vocabulary of the agent and possibly the growing spectrum of possible states of the world. We interpret LEC in the semantics of histories of epistemic changes and show that it is complete. Finally, we compare our logic with selected epistemic logics based on the concept of linear discrete time. (shrink)

The aim of this paper is to propose foundations for a formal model of representation and numerical evaluation of a possibly broad class of arguments, including those that occur in natural discourse. Since one of the most characteristic features of everyday argumentation is the occurrence of convergent reasoning, special attention should be paid to the operation ⊕, which allows us to calculate the logical force of convergent arguments with an accuracy not offered by other approaches.

In this paper, I want to deal with the triviality threat to computationalism. On one hand, the controversial and vague claim that cognition involves computation is still denied. On the other, contemporary physicists and philosophers alike claim that all physical processes are indeed computational or algorithmic. This claim would justify the computationalism claim by making it utterly trivial. I will show that even if these two claims were true, computationalism would not have to be trivial.

The paper gives a survey of known results related to computational devices (finite and push–down automata) recognizing monadic generalized quantifiers in finite models. Some of these results are simple reinterpretations of descriptive—feasible correspondence theorems from finite–model theory. Additionally a new result characterizing monadic quantifiers recognized by push down automata is proven.

The problem of computational complexity of semantics for some natural language constructions – considered in [M. Mostowski, D. Wojtyniak 2004] – motivates an interest in complexity of Ramsey quantifiers in finite models. In general a sentence with a Ramsey quantifier R of the following form Rx, yH(x, y) is interpreted as ∃A(A is big relatively to the universe ∧A2 ⊆ H). In the paper cited the problem of the complexity of the Hintikka sentence is reduced to the problem of computational (...) complexity of the Ramsey quantifier for which the phrase “A is big relatively to the universe” is interpreted as containing at least one representative of each equivalence class, for some given equvalence relation. In this work we consider quantifiers Rf, for which “A is big relatively to the universe” means “card(A) > f (n), where n is the size of the universe”. Following [Blass, Gurevich 1986] we call R mighty if Rx, yH(x, y) defines N P – complete class of finite models. Similarly we say that Rf is N P –hard if the corresponding class is N P –hard. We prove the following theorems. (shrink)

In Darwin’s Dangerous Idea, Daniel Dennett claims that evolution is algorithmic. On Dennett’s analysis, evolutionary processes are trivially algorithmic because he assumes that all natural processes are algorithmic. I will argue that there are more robust ways to understand algorithmic processes that make the claim that evolution is algorithmic empirical and not conceptual. While laws of nature can be seen as compression algorithms of information about the world, it does not follow logically that they are implemented as algorithms by physical (...) processes. For that to be true, the processes have to be part of computational systems. The basic difference between mere simulation and real computing is having proper causal structure. I will show what kind of requirements this poses for natural evolutionary processes if they are to be computational. (shrink)

The discussion around dignity in nursing philosophy has been underway for many years. The literature still lacks philosophical arguments that would justify the thesis that all people have dignity. Scholars who defend dignity as an intrinsic value most often refer to Kant. However, Kant does not seem to be the most suitable candidate to defend the thesis that all human beings possess dignity. In this paper, I attempt to show that Aristotle's and Aquinas's views can help justify this thesis. To (...) this end, I distinguish between actual dignity, potential dignity, and existential dignity. I state that all human beings have existential dignity or potential dignity. (shrink)

Dialectical fallacies are typically defined as breaches of the rules of a regulated discussion between two participants. What if discussions become more complex and involve multiple parties with distinct positions to argue for? Are there distinct argumentation norms of polylogues? If so, can their violations be conceptualized as polylogical fallacies? I will argue for such an approach and analyze two candidates for argumentative breaches of multi-party rationality: false dilemma and collateral straw man.

In this article, I illustrate the universalism of logic using the example of Stephen Langton’s ($$\dagger $$ † 1228) exegesis presented in his theological question 103. This text refers to the biblical story of Isaac blessing his son Jacob, who pretended to be his brother, Esau. I present the universalism of logic understood as its broad applicability and effectiveness. I argue that logic is very useful even in analyzing biblical exegesis. Langton’s exegesis benefits from logical knowledge on different levels. One (...) of them is the application of a semiotic theory to formulate a solution to the problem of the validity of Isaac’s blessing. Above all, Langton distinguishes between a discrete and a vague (or simple) use of the pronoun “you.” Notably, Langton’s analysis of various speech acts in terms of his semiotic (or pragmatic) theory is also a basis to formulate the conditions of felicity of the act of blessing (understood in the theological context), which shows that logic can be not only broadly applicable, but also effective. Finally, question 103 proves that logic is universal also in a different way, namely: it can provide solutions which are acceptable for representatives of different traditions. (shrink)

In the book, I argue that the mind can be explained computationally because it is itself computational—whether it engages in mental arithmetic, parses natural language, or processes the auditory signals that allow us to experience music. All these capacities arise from complex information-processing operations of the mind. By analyzing the state of the art in cognitive science, I develop an account of computational explanation used to explain the capacities in question.

In this paper, I suggest that the notion of module explicitly defined by Peter Carruthers in The Architecture of The Mind (Carruthers 2006) is not really In use in the book. Instead, a more robust notion seems to be actually in play. The more robust notion, albeit implicitly assumed, seems to be far more useful for making claims about the modularity of mind. Otherwise, the claims would become trivial. This robust notion will be reconstructed and improved upon by putting it (...) into a more general framework of mental architecture. I defend the view that modules are the outcome of structural rather than functional decomposition and that they should be conceived as near decomposable systems. (shrink)

Some interesting cases of non-monotonic reasoning have already been identified in medieval theological texts. Jacob Archambault proved in 2015 that the argumentation presented by St Anselm of Canterbury in his Proslogion has non-monotonic “embeddings”. My own contribution from 2011 indicated that we can argue that a non-monotonic logic underlies some discussions provided by St Thomas Aquinas in his Summa theologiae, and showed that Boethius of Dacia used non-monotonic reasoning in his De aeternitate mundi. In this article, I would like to (...) briefly present these examples and verify whether we can speak about similar cases in medieval Biblical exegesis. My aim is to outline particular problems connected with the identification of non- monotonicity which are specific to theology, as well as assumptions that should be adopted to successfully discuss this issue. (shrink)

In early March 2020, the COVID-19 pandemic changed the situation of thousands of higher education institutions around the world. The spreading virus not only imposed remote education, but it also brought tremendous changes in university management. The introduction of new educational and administrative solutions was a huge logistical and financial challenge for public and private universities. It was not easy for students either. It also posed a problem for the faculty. Remote learning generated many problems even in highly developed countries. (...) Therefore, the number of students was expected to slowly decline. It was a surprise that private universities saw an increase in interest in their offer right after the outbreak of the pandemic. The article presents the situation of private universities in Poland, the complex problems related to the management of the academic environment in the absence of proper preparation for on-line education as well as for remote management of higher education organizations. (shrink)

The Steprāns forcing notion arises as quotient of the algebra of Borel sets modulo the ideal of σ-continuity of a certain Borel not σ-continuous function. We give a characterization of this forcing in the language of trees and use this characterization to establish such properties of the forcing as fusion and continuous reading of names. Although the latter property is usually implied by the fact that the associated ideal is generated by closed sets, we show that it is not the (...) case with Steprāns forcing. We also establish a connection between Steprāns forcing and Miller forcing thus giving a new description of the latter. Eventually, we exhibit a variety of forcing notions which do not have continuous reading of names in any presentation. (shrink)

One of the critical issues in the philosophy of science is to understand scientific knowledge. This paper proposes a novel approach to the study of reflection on science, called “cognitive metascience”. In particular, it offers a new understanding of scientific knowledge as constituted by various kinds of scientific representations, framed as cognitive artifacts. It introduces a novel functional taxonomy of cognitive artifacts prevalent in scientific practice, covering a huge diversity of their formats, vehicles, and functions. As a consequence, toolboxes, conceptual (...) frameworks, theories, models, and individual hypotheses can be understood as artifacts supporting our cognitive performance. It is also shown that by empirically studying how artifacts function, we may discover hitherto undiscussed virtues and vices of these scientific representations. This paper relies on the use of language technology to analyze scientific discourse empirically, which allows us to uncover the metascientific views of researchers. This, in turn, can become part of normative considerations concerning virtues and vices of cognitive artifacts. (shrink)

We present the logic$${\mathsf {LCB}}$$LCBwhich is expressed in a propositional language constantly enriched by new atomic expressions. Our formal framework is the propositional doxastic logic$${\mathsf {KD45}}$$KD45with the belief operator$${\mathcal {B}}$$B, extended by the$${\mathcal {C}}$$Coperator, to be readit changes that.... We describe the changing beliefs of an agent who uses progressively expanding language. The approach presented here allows us to weaken pragmatic objections to the so-called principle ofnegative retrospectionaccepted in$${\mathsf {KD45}}$$KD45and the problem oflogical omniscience. In what follows, we present the expanding (...) propositional language used in our formalism, interpreted using an epistemic version of Kripke semantics. Next, we give a syntactic characterization of logic$${\mathsf {LCB}}$$LCBand prove the soundness and completeness of$${\mathsf {LCB}}$$LCBin respect to our semantics. Finally, we compare the idea of expanding language with the notion ofagent awarenessand we relate our formalism to two epistemic temporal logics. (shrink)

I challenge two key assumptions of speech act theory, as applied to argumentation: illocutionary monism, grounded in the idea each utterance has only one (primary) illocutionary force, and the dyadic reduction, which models interaction as a dyadic affair between only two agents (speaker-hearer, proponentopponent). I show how major contributions to speech act inspired study of argumentation adhere to these assumptions even as illocutionary pluralism in argumentative polylogues is a significant empirical fact in need of theoretical attention. I demonstrate this with (...) two examples where arguers interacting with multiple persons convey plural, argumentatively relevant illocutionary forces. Understanding illocutionary pluralism in argumentative polylogues also affords a better account of fallacious and manipulative discourse. (shrink)

A child’s objection, refusal and dissent regarding participation in non-beneficial biomedical research must be respected, even when the parents or legal representatives have given their permission. There is, however, no consensus on the definition and criteria of a meaningful and valid child’s objection. The aim of this article is to clarify this issue. In the first part we describe the problems of a child’s assent in research. In the second part we distinguish and analyze two models of a child’s objection (...) to research: the capacity-based model and the distress-based model. In the last part we present arguments for a broader and unified understanding of a child’s objection within regulations and practices. This will strengthen children’s rights and facilitate the entire process of assessment of research protocols. (shrink)

The article covers Erwin W. Straus’ views on the problem of time and temporal experience in the context of psychopathology. Beside Straus’ published scholarship, including his papers dealing exclusively with the subject of time, the sources utilized in this essay comprise several of Straus’ unpublished manuscripts on temporality, with the primary focus on the 1952 manuscript Temporal Horizons, which is discussed in greater detail and subsequently published for the first time in this journal. In the first part of the article, (...) the author introduces what he considers to be the central tension of the whole of Straus’ work on the issue of time, namely, the tension stemming from a dualistic account of time with its personal and impersonal dimensions. Interpretative developments of this tension are followed covering Straus’ early German works and his late American scholarship. The author presents Straus’ way of overcoming the dualistic account of time and his arguments in favour of what is termed here the “unified view of time”. Of critical importance for the unified view is Straus’ concept of “today”, which is extensively commented upon. In the second part of the article, the author focuses on the psychopathological consequences of the unified view as seen by Straus. A clear-cut boundary between a normal and a psychotic experience of time is supposed to lie in breaking the bond between the personal and the impersonal orders of time, leading to a fundamental estrangement. This view, it is claimed, is already present in a nutshell in Straus’ earliest work, and is elaborated upon later. In conclusion, both the merits and the weaknesses of Straus’ account of temporality are presented. A major advantage is that Straus abstains from a dualistic conception of time and reappraises the often-devalued clock time. A fundamental drawback is that Straus does not venture to explore the pathological varieties of temporal experience and fails to specify the acknowledged differences between, on the one hand, psychotic elements in depressive disorders, and, on the other hand, such elements in schizophrenic disturbances. (shrink)

The thesis of the paper holds that some future developments of argumentation theory may be inspired by the rich logico-methodological legacy of the Lvov–Warsaw School (LWS), the Polish research movement that was most active from 1895 to 1939. As a selection of ideas of the LWS which exploit both formal and pragmatic aspects of the force of argument, we present: Ajdukiewicz’s account of reasoning and inference, Bocheński’s analyses of superstitions or dogmas, and Frydman’s constructive approach to legal interpretation. This paper (...) does not aim at exhaustive elaboration of any of these topics or their usefulness in current discussions within argumentation theory. Rather, we intend to indicate chosen directions of a potentially fruitful research program for the emerging Polish School of Argumentation which would consist in application of methods and conceptions elaborated by the LWS to selected open problems of contemporary research on argumentation. (shrink)

In this paper, I focus on a problem related to teleological theories of content namely, which notion of function makes content causally relevant? It has been claimed that some functional accounts of content make it causally irrelevant, or epiphenomenal; in which case, such notions of function could no longer act as the pillar of naturalized semantics. By looking closer at biological questions about behavior, I argue that past discussion has been oriented towards an ill-posed question. What I defend is a (...) Very Boring Hypothesis: depending on the representational phenomenon and the explanatory question, different aspects might be important, and it is difficult to say a priori which ones these might be. There are multiple facets to biological functionality and causality relevant for explaining representational phenomena, and ignoring them will lead to unmotivated simplifications. In addition, accounting for different facets of functionality helps dispense with intuition-based specifications of cognitive phenomena. (shrink)

Despite the continuous emphasis on globalization, we witness increasing divisions and divisiveness in all domains of human activities. One of the reasons, if not the main one, is the intellectual fragmentation of humanity, compared in the title to the failed attempt at building the Biblical Tower of Babel. The attempts to reintegrate worldview, fragmented by the specialization of education (C.P. Snow’s The Two Cultures) and expected to be achieved through reforms in curricula at all levels of education, were based on (...) the assumption that the design of a curriculum should focus on the wide distribution of subjects of study, as if the distribution was the goal. The key point is not the distribution of themes, but the development of skills in the integration of knowledge. The quantitative assessment of the width of knowledge by the number of disciplines is of secondary importance. We cannot expect the miracle that students without any intellectual tools developed for this purpose would perform the job of integration, which their teachers do not promote or demonstrate, and which they cannot achieve for themselves. There are many other reasons for the increasing interest in making inquiries interdisciplinary, but there is little progress in the methodology of the integration of knowledge. This paper is a study of the transition from multidisciplinarity to interdisciplinarity, and further, to transdisciplinarity, with some suggestions regarding the use of methodological tools of structuralism and the choice of a conceptual framework. (shrink)

Explanations in cognitive science and computational neuroscience rely predominantly on computational modeling. Although the scientific practice is systematic, and there is little doubt about the empirical value of numerous models, the methodological account of computational explanation is not up-to-date. The current chapter offers a systematic account of computational explanation in cognitive science and computational neuroscience within a mechanistic framework. The account is illustrated with a short case study of modeling of the mirror neuron system in terms of predictive coding.

The paper examines both the phenomenology of the manic self as well as critical aspects of manic neurobiology, focusing, with respect to both domains, on manic temporality. We argue that the distortions of lived time in mania exceed mere acceleration and are fundamental for manic affectivity. Mania involves radical acceleration and radical asynchronicity, which result in an instantaneous existence. People with mania rebel against the facticity of reality and suffer from an existential leap towards the future, in which the self (...) abandons normal temporal boundaries. Excerpts from the interviews with persons with mania who experienced psychosis illustrate this phenomenon. Commenting upon disrupted circadian rhythms in mania and the role of lithium in its treatment the paper posits manic temporality as the link through which manic phenomenology and manic neurobiology intertwine. (shrink)

In their book Commitment in Dialogue, Walton and Krabbe claim that formal dialogue systems for conversational argumentation are “not very realistic and not easy to apply”. This difficulty may make argumentation theory less well adapted to be employed to describe or analyse actual argumentation practice. On the other hand, the empirical study of real-life arguments may miss or ignore insights of more than the two millennia of the development of philosophy of language, rhetoric, and argumentation theory. In this paper, we (...) propose a novel methodology for adapting such theories to serve as applicable tools in the study of argumentation phenomena. Our approach is both theoretically-informed and empirically-grounded in large-scale corpus analysis. The area of interest are appeals to ethos, the character of the speaker, building upon Aristotle’s rhetoric. Ethotic techniques are used to influence the hearers through the communication, where speakers might establish, but also emphasise, weaken or undermine their own or others’ credibility and trustworthiness. Specifically, we apply our method to Aristotelian theory of ethos elements which identifies practical wisdom, moral virtue and goodwill as components of speakers’ character, which can be supported or attacked. The challenges we identified in this case and the solutions we proposed allow us to formulate general guidelines of how to exploit rich theoretical frameworks to the analysis of the practice of language use. (shrink)