読書というほどのことはしていない。
先日少し読んだ以下の文献をいくらか読み返す。
- Kai F. Wehmeier and Hans-Christoph Schmidt am Busch “The Quest for Frege's Nachlass”, in: M. Beaney and E. Reck, ed., Gottlob Frege, Critical Assessments of Leading Philosophers Series, Vol. 1, Frege's Philosophy in Context, Routledge, 2005
そしてそこに描かれている出来事を順に並べて書いてミニ年表を途中まで作る。
前回読んだ時、絡み合っていた不明点がいくつか解けてわかってくる。
しかし一つよくわからないところがまだある。
また後日読み進めよう。
PS.
Logica Universalisというjournalが半年ほど前からSpringer/Birkhäuserにより、刊行が開始されたみたいである。
EditorのJean-Yves Béziauさんの‘Preface’を読むと以下の様である*1。
It[Universal logic] is an attempt to study and develop some fundamental concepts and tools to navigate within the jungle of all existing logics, build new ones and to have a better understanding of what logic is. Universal logic is not a new logical system, a system of logic that would apply to everything. Any system is always limited, catches only one aspect of reasoning. The expression universal logic was coined by analogy with the expression universal algebra. Universal algebra is not a super algebra, it is a general study of algebraic systems. This field was promoted mainly by Garrett Birkhoff who gave the general definition of an abstract algebra and related concepts such as subalgebra and homomorphism.
…
In this journal will be published papers not dealing with a particular system of logic, but studying general concepts, tools, and techniques for the study of logics, such as consequence operators, sequent systems, logical matrices, tableaux, Kripke structures, institutions. Papers dealing with the study of classes of logics are also welcome as well as those examining the scope of validity and domain of application of fundamental theorems such as cut-elimination, compactness, completeness. We encourage furthermore some philosophical and historical papers dealing with the comparative study of logic in different cultures, the very nature of logic and its basic concepts such as truth, proof, definition, identity, negation, implication, modality, quantification.
と、なかなか興味深い。哲学畑の人間も読めそうである。
但し創刊号を見ると、結構technicalでmathematicalな論文ばかり並んでいるような気がするのだが…。
なお、どの論文もSpringer/BirkhäuserのHPから無料でPCにDLできるようになっています。
*1:Jean-Yves Béziau, “Preface”, in: Logica universalis, vol. 1, no. 1, Springer/Birkhäuser, 2007, p. 2.
