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  • 1.
    Nilsson, Jonas
    Umeå universitet, Humanistisk fakultet, Filosofi och lingvistik. Filosofi.
    A Bootstrap Theory of Rationality2005Ingår i: Theoria, Vol. 71, s. 182-199Artikel i tidskrift (Refereegranskat)
  • 2.
    Nilsson, Jonas
    Umeå universitet, Humanistisk fakultet, Filosofi och lingvistik. Filosofi.
    Om logiska förutsättningar för rationell kritik2002Ingår i: Filosofisk tidskrift, nr 3, s. 35-41Artikel i tidskrift (Övrigt vetenskapligt)
  • 3.
    Nilsson, Jonas
    Umeå universitet, Humanistisk fakultet, Filosofi och lingvistik. Filosofi.
    On the Idea of Logical Presuppositions of Rational Criticism2006Ingår i: Karl Popper: A Centenary Assessment: Volume II: Metaphysics and Epistemology, Ashgate, Aldershot , 2006, s. 109-117Kapitel i bok, del av antologi (Refereegranskat)
  • 4.
    Nilsson, Jonas
    Umeå universitet, Humanistiska fakulteten, Filosofi och lingvistik. Filosofi.
    Rationality in inquiry: on the revisability of cognitive standards2000Doktorsavhandling, monografi (Övrigt vetenskapligt)
    Abstract [en]

    The topic of this study is to what extent standards of rational inquiry can be rationally criticized and revised. It is argued that it is rational to treat all such standards as open to criticism and revision.

    Arguments to the effect that we are fallible with regard to all standards of rational inquiry are presented. Standards cannot be ultimately justified and with certainty established either as adequate or as inescapable presuppositions. Apel's attempt to give ultimate justifications of certain moral and logical rules is examined and criticized. Special attention is given to our fallibility with regard to logical inference rules. The idea that certain logical rules cannot be put into question because any critical argument presupposes them is criticized.

    It has been claimed that there must be some basic standards which are such that they cannot be rationally evaluated and hence are rationally unrevisable. This is called "the unrevisability thesis". Related to this thesis is the normative policy according to which rationality requires that some standards be treated as unrevisable, the unrevisability policy. Two arguments that have been used to defend the unrevisability thesis and policy are examined and criticized. The conclusion is that we are not forced to accept either the thesis or the policy.

    The negation of the unrevisability policy is the revisability policy, according to which it is rational to treat all standards as open to rational criticism and revision. Objections that have been directed against the revisability policy are discussed and criticized. According to the objections, the revisability policy leads to rationality relativism. These objections are refuted, and it is argued that it is, on the contrary, rational to adopt the revisability policy and treat all standards of rational inquiry as criticizable and revisable.

    It is proposed that the rational change of standards should be viewed as a bootstrap process. General features of a bootstrap view of rational change of standards are presented, and it is argued that it is impossible to formulate a real theory of bootstrapping. Two models of standard change are presented and discussed: Laudan's reticulated model of scientific rationality and Briskman's bootstrap theory. It is claimed that in spite of defects and limitations, these models contribute to a richer understanding of bootstrapping.

    The fallibility and revisability of standards of rational inquiry have consequences for how the normativity of rationality should be understood. The book ends with an account of how the rationality of cognitive actions is related to the idea of the adequacy of standards. A distinction between absolute and standard-relative rationality is made, and it is argued that what an inquiring agent rationally ought to do coincides with what it is standard-relatively rational for him to do. It is shown that this view of rationality of inquiry is nevertheless inconsistent with rationality relativism, and that it is compatible with an objectivistic view of rationality.

  • 5.
    Nilsson, Jonas
    Umeå universitet, Humanistisk fakultet, Filosofi och lingvistik. Filosofi.
    Rationality, Substantive Belief, and the Metaphysical1998Ingår i: Nature and Lifeworld: Theoretical and Practical Metaphysics, Odense, Odense University Press , 1998Kapitel i bok, del av antologi (Övrigt vetenskapligt)
  • 6.
    Nilsson, Jonas
    Umeå universitet, Humanistisk fakultet, Filosofi och lingvistik. Filosofi.
    Standard-relativ rationalitet2005Ingår i: Filosofisk tidskrift, nr 3, s. 32-40Artikel i tidskrift (Övrigt vetenskapligt)
  • 7.
    Nilsson, Jonas
    Umeå universitet, Humanistiska fakulteten, Filosofi och lingvistik.
    Standard-relative rationality2005Ingår i: Sats: Nordic Journal of Philosophy, ISSN 1600-1974, E-ISSN 1869-7577, Vol. 6, nr 1, s. 29-39Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    In this paper it is argued that cognitive rationality is standard-relative: what an inquiring agent rationally ought to do is determined by the set of rationality standards the agent herself accepts. The majority view, that rationality consists in acting in accordance with correct rationality standards, is criticized by arguing that rationality thus conceived cannot be action-guiding for inquiring agents.

  • 8.
    Nilsson, Jonas
    et al.
    Umeå universitet, Humanistiska fakulteten, Institutionen för idé- och samhällsstudier.
    Lindström, Sten
    Umeå universitet, Humanistiska fakulteten, Institutionen för idé- och samhällsstudier.
    Rationality in Flux: Formal Representations of Methodological Change2011Ingår i: Belief Revision meets Philosophy of Science / [ed] Erik J. Olsson, Sebastian Enqvist, Dordrecht: Springer, 2011, s. 347-356Kapitel i bok, del av antologi (Övrigt vetenskapligt)
    Abstract [en]

    A central aim for philosophers of science has been to understand scientific theory change, or more specifically the rationality of theory change. Philosophers and historians of science have suggested that not only theories but also scientific methods and standards of rational inquiry have changed through the history of science. The topic here is methodological change, and what kind of theory of rational methodological change is appropriate. The modest ambition of this paper is to discuss in what ways results in formal theories of belief revision can throw light on the question of what an appropriate theory of methodological change would look like.

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