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    Wyświetlanie 1-9 z 9
    Tytuł:
    Logika formalna czy logiki formalne?
    Formal Logic or Formal Logics?
    Autorzy:
    Kiczuk, Stanisław
    Powiązania:
    https://bibliotekanauki.pl/articles/2013349.pdf
    Data publikacji:
    2007
    Wydawca:
    Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
    Tematy:
    logika
    funktor prawdziwościowy
    logika standardowa
    logika nieklasyczna
    wielowartościowy rachunek zdań
    logika klasyczna
    logic
    truth-functional operator
    standard logic
    non-classical logic
    many-valued propositional calculus
    classical logic
    Opis:
    Apart from putting the theses contained in E. Agazzi’s work Why Is It Logical to Admit Several Logics? in an order and making them more distinct, an attempt is made to draw conclusions from the explicit wordings used by that author. Some theses presented in the text are shown against the views of other authors who discussed analogous problems. In this way, as it seems, modification, completing and elaborating has been possible of wordings that approve of the thesis about the existence of many logics that are contained in the analyzed text. Among others, the article emphasizes that Agazzi’s pronouncements about relations existing between standard logic and intuitionist logic cannot be accepted. Also, several remarks are made about the so-called many-valued logics. Agazzi’s theses that well constructed non-classical logics representing proper contents are necessary for representatives of various branches of knowledge is acceptable.
    Źródło:
    Roczniki Filozoficzne; 2007, 55, 1; 129-157
    0035-7685
    Pojawia się w:
    Roczniki Filozoficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prawa nauk przyrodniczych a tezy logiki formalnej i metafizyki
    Laws of natural sciences and propositions of formal logic and metaphysics
    Autorzy:
    Kiczuk, Stanisław
    Powiązania:
    https://bibliotekanauki.pl/articles/2015978.pdf
    Data publikacji:
    2002
    Wydawca:
    Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
    Tematy:
    logika
    filozofia logiki
    filozofia nauki
    prawo
    logic
    philosophy of logic
    philosophy of science
    law
    Opis:
    In the first part of the article remarks are made concerning the laws of natural sciences. First of all the field of analyses of modern natural sciences is presented. The second part of the article is devoted to a characteristic of the laws of formal logic, and especially of the laws of classical sentential calculus. The view that logical propositions state certain objective relations between states of things is explicated. After other authors, it is stressed that learning logic we not only train the art of correct thinking, but we also learn about certain relations between facts that constitute the logical structure of the world. In the third part of the article propositions of the general theory of being, i.e. the first principles of being and propositions concerning entity compositions are characterised; also numerous comparative analyses are made. The article tries to show similarities and differences between natural sciences laws, laws of logic and theses of the general theory of being. First of all attention is drawn to relations occurring between some laws of logic of sentences and the first principles of being.
    Źródło:
    Roczniki Filozoficzne; 2002, 50, 1; 303-331
    0035-7685
    Pojawia się w:
    Roczniki Filozoficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Współczesna logika formalna a nauki przyrodnicze
    Contemporary formal logic and the natural sciences
    Autorzy:
    Kiczuk, Stanisław
    Powiązania:
    https://bibliotekanauki.pl/articles/2016141.pdf
    Data publikacji:
    2001
    Wydawca:
    Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
    Tematy:
    logika
    filozofia logiki
    metodologia
    filozofia nauki
    fizyka
    logic
    philosophy of logic
    methodology
    philosophy of science
    physics
    Opis:
    In the first part of the article the questions are discussed that are connected with applying the rules of classical sentence logic and many valued logic in theories of natural sciences, mainly in N. Bohr' s theories of complementarity. This part of the article explicates Z. Zawirski's proposition, that the rules of logic, through applying them to the world, not only stop being tautologies that do not say anything about the reality, but they become natural hypotheses that say a lot, perhaps "the first things”, about that reality. In the article the possibility is shown of using the rules of building axiomatic deductive systems of classical logical calculus in construction of corresponding axiomatic systems in physics, as an axiomatic system may well represent an empirical theory. In the second part of the article the relations of contemporary non-classical kinds of logic with natural sciences are discussed. A lot of attention is devoted to showing that in natural sciences, in physics, application of formal logic may also consist in suitable use of its language. Not only is the language of classical logical calculus involved here but the language of systems of non-classical logics as well, and especially of the ones which give the rules for correct use of functors connected with the following - crucial for natural sciences - terms: time, change, causal relationship.
    Źródło:
    Roczniki Filozoficzne; 2001, 49, 1; 127-150
    0035-7685
    Pojawia się w:
    Roczniki Filozoficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Uwagi o systemie logiki formalnej skonstruowanym dla logików nieformalnych
    Remarks on the System of Formal Logic Construed for Informal Logicians
    Autorzy:
    Kiczuk, Stanisław
    Powiązania:
    https://bibliotekanauki.pl/articles/2012940.pdf
    Data publikacji:
    2010
    Wydawca:
    Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
    Tematy:
    funktor prawdziwościowy
    logika nieformalna
    logika nieklasyczna
    klasyczny rachunek zdań
    truth-functional operator
    informal logic
    non-classical logic
    classical propositional calculus
    Opis:
    D. Sherry’s main theses included in his essay entitled “Formal Logic for Informal Logicians” are presented in the article. In a discussion with his theses it is shown that he prefers this kind of logic that has a lot of elements that are the same as in Aristotle’s logic understood as the art of thinking and the technique of discussion taken from Topics, and not the logic that was started in his Prior Analytics. It is also shown that not only patterns of inferring, but also the theses of logic, as well as theses to which no patterns correspond, that are guarantee reliability of inference patterns, may be intuitively obvious. In the article also attention is drawn to the fact that the PL- system of logic presented by Sherry was characterized by him by means of a rather poor logical terminology. In the American author’s argument there are no clear distinctions between the thesis of logic, the logical inference pattern and the rule of the procedure of proving. However, it can be established that the PL- system is constituted by argumentation patterns that are reliable owing to such theses of propositional logic as modus potens, modus tollens, disjunctive syllogism, conjunctive syllogism, complex destructive dilemma, and the two rules concerning creating proofs, i.e. the rule of conditional proof and the rule of reduction to the absurd. In the PL- system there are fewer theses than in the classical propositional calculus, but this has nothing in common with the so-called multivalent logics to which some theses of classical logic supposedly do not apply. Everything suggests that some systems of non-classical logic systems may be built on the PL- system; namely, the ones in which theses are given that govern the correct use of non-extensional operators connected with key terms appearing in many sciences, like e.g. “time”, “change”, “causality”. Sherry’s essay reveals that he is a supporter of the thesis that knowledge of formal logic is necessary for using informal logic efficiently, which is necessary for teaching logic properly.
    Źródło:
    Roczniki Filozoficzne; 2010, 58, 1; 95-108
    0035-7685
    Pojawia się w:
    Roczniki Filozoficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    O logice modalnej
    On Modal Logic
    Autorzy:
    Kiczuk, Stanisław
    Powiązania:
    https://bibliotekanauki.pl/articles/2015670.pdf
    Data publikacji:
    2004
    Wydawca:
    Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
    Tematy:
    konieczność logiczna
    możliwość logiczna
    logika modalna
    funktor modalny
    ścisła implikacja
    logical necessity
    logical possibility
    modal logic
    modal operator
    strict implication
    Opis:
    The paper appreciates six conditions which, according to G.E. Hughes and M.J. Cresswell, must be respected by those formal systems which aspire to be systems of modal logic. There are few such systems. The sense of modal functors “it is necessary that,” “it is possible that,” in this type of systems is in no way made precise. The paper undermines the validity of some conditions shown by Hughes and Cresswell. It outlines the way by which to construct a system of modal logic in which the functor of logical necessity and logical possibility would be unambiguously characterised by methods of contemporary logic.
    Źródło:
    Roczniki Filozoficzne; 2004, 52, 1; 199-213
    0035-7685
    Pojawia się w:
    Roczniki Filozoficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Uwagi o implikacji materialnej
    Autorzy:
    Kiczuk, Stanisław
    Powiązania:
    https://bibliotekanauki.pl/articles/2013479.pdf
    Data publikacji:
    2006
    Wydawca:
    Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
    Tematy:
    logika
    funktor prawdziwościowy
    znak negacji
    znak alternatywy
    implikacja materialna
    koniunkcja
    logic
    truth-functional operator
    negation sign
    disjunction sign
    material implication
    conjunction
    Opis:
    In the initial part of the article texts of some authors are analyzed concerning material implication. In the further part of the article the proposition is justified that the operator of material implication differs in quality from other truth-functional operators. The final part of the article is devoted to considerations aiming at presenting what the thesis of the classical propositional calculus, in which the main operator is the operator of material implication, denote.
    Źródło:
    Roczniki Filozoficzne; 2006, 54, 1; 69-80
    0035-7685
    Pojawia się w:
    Roczniki Filozoficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    O NIEKTÓRYCH PRAWACH LOGIKI I ZASADACH OGÓLNEJ TEORII BYTU
    Autorzy:
    Kiczuk, Stanisław
    Powiązania:
    https://bibliotekanauki.pl/articles/488533.pdf
    Data publikacji:
    2012
    Wydawca:
    Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
    Tematy:
    logika współczesna
    funktor prawdziwościowy
    klasyczny rachunek zdań
    zasada racji dostatecznej
    modern logic
    truth-functional operator
    classical propositional calculus
    principle of sufficient reason
    Opis:
    Some principles of general theory of being have their equivalents in laws of classical logic. For a long time this was not distinctly noticed, as logic was treated rather as technology of discussion, and not as a system of propositions stated in the objective language and concerning connections between facts. It may be generally said that some primary principles of being and some laws of logic state the same most fundamental connections between facts, between states of things. There are also principles of philosophy that do not have such equivalents in laws of logic. These include the principle of sufficient reason. The concept of intuitive truth of propositions that reappeared in modern logic first of all in connection with K. Gödel’s theorem of 1931 formed an intellectual climate that made it possible for classical logicians to accept also those principles of general theory of being that do not have equivalents in laws of standard logic. It may be said that these philosophical principles may be included in the outward basis of modern logic.
    Źródło:
    Roczniki Filozoficzne; 2012, 60, 2; 171-179
    0035-7685
    Pojawia się w:
    Roczniki Filozoficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Logika współczesna a matematyka i filozofia
    Contemporary Logic versus Mathematics and Philosophy
    Autorzy:
    Kiczuk, Stanisław
    Powiązania:
    https://bibliotekanauki.pl/articles/2013167.pdf
    Data publikacji:
    2008
    Wydawca:
    Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
    Tematy:
    logika współczesna
    funktor prawdziwościowy
    znak negacji
    znak alternatywy
    implikacja materialna
    koniunkcja
    modern logic
    truth-functional operator
    negation sign
    disjunction sign
    material implication
    conjunction
    Opis:
    The first part of the paper shows two types of the systems of contemporary logic placed in one of J. Bocheński’s works. The second part of the paper contains Bocheński’s theses concerning contemporary logic. They have been shown against the backdrop of the views held by other authors who discussed some kin issues. In order to supplement Bocheński’s considerations a division of functors has been added. They are divided into extensional and non-extensional. Much attention has been devoted to the problems of logical constants that is rarely discussed in learned literature. It has been stressed that at least one of Bocheński’s typologies should basically be changed, having taken into account the remarks in the paper that supplement Bocheński’s analyses. The above issues have been discussed against the backdrop of the question of relations that obtain between contemporary logic, mathematics, and philosophy.
    Źródło:
    Roczniki Filozoficzne; 2008, 56, 2; 131-150
    0035-7685
    Pojawia się w:
    Roczniki Filozoficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Logicy i logika a poznanie przyrody
    Logicians and Logic on Study of Nature
    Autorzy:
    Kiczuk, Stanisław
    Powiązania:
    https://bibliotekanauki.pl/articles/2013931.pdf
    Data publikacji:
    2005
    Wydawca:
    Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
    Tematy:
    logika
    funktor prawdziwościowy
    funktor nieprawdziwościowy
    dwuwartościowy rachunek zdań
    wielowartościowy rachunek zdań
    logic
    truth-functional operator
    not truth-functional operator
    two valued propositional calculus
    many-valued propositional calculus
    Opis:
    Starting from the 1930s logicians tackled problems connected with applicability of logic in natural sciences and in many cases they tried to practically apply logic in these sciences. In the article entitled ‘Logicians and logic on study of nature’ it is stressed that the broadly understood formal logic supplies natural sciences, and especially physics, with a paradigm for a method of ordering theses. It is also shown what application of logic laws to natural sciences consists in, and theses are formulated concerning what the laws of classical propositional calculus state. A lot of attention is devoted to the language of modern and contemporary physics. Modern and contemporary physics uses two languages, i.e. the mathematical language and the so-called notional language. The logic of the former language is classical logical calculus. In connection with the notional language logicians construed a lot of systems of non-classical logics in which laws are given that govern the correct use of non-extensional operators connected with such terms occurring in natural sciences as “time”, “cause”, “change” etc. The language of well construed systems of non-classical logics may serve saving, storing and precise communicating the results obtained on the ground of natural sciences.
    Źródło:
    Roczniki Filozoficzne; 2005, 53, 1; 129-142
    0035-7685
    Pojawia się w:
    Roczniki Filozoficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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