Abstract
In Handbook of Philosophical Logic M. Dunn formulated a problem of describing pretabular extensions of relevant logics (cf. M. Dunn [1984], p. 211; M. Dunn, G. Restall [2002], p. 79). The main result of this paper is described in the title.
Citation
Kazimierz Swirydowicz. "There exists an uncountable set of pretabular extensions of the relevant logic R and each logic of this set is generated by a variety of finite height." J. Symbolic Logic 73 (4) 1249 - 1270, December 2008. https://doi.org/10.2178/jsl/1230396916
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