THIS VOLUME continues the line of investigation into the logic of relevance and necessity—Entailment,
we say—commenced by Ackermann in 1956 and reported on by ARA and NDB …

… account of entailment. The classical notion of entailment in use ties entailment to necessity.
… I recommend it to all those who seek to understand contemporary work on relevant logic, x' …

… à une p ď entailment du premier degré (cf. § 34, p. 33). … de la dém l'appellation de Display
Logic , les auteurs utilisent un … de philosophie regardent du côté de Y entailment, au lieu d'…

… to a logic of necessity. This chapter will center around such a discussion, focusing on the
status of necessity in truthfunctional logic and the logic of entailment. … of a logic of entailment to …

… of the conditional and logical consequence, the system of entailment E which was Volume
… combining both relevance and necessity of implication. First a pure calculus of entailment is …

… The tale of Relevance Logic and Entailment continues with this book much in the same style
as Volume I. The chapters are as eclectic as in Volume I and, depending upon the reader's …

… , both entailment and relevant … entailment is defined as necessary relevant implication ('[ (A
-+ B)' for 'A entails B'). Unexpectedly, R- thus interpreted turns out to countenance entailments …

… its own necessity? A whole cluster of problems, both about necessity and about entailment,
… One such problem, with which I shall have occasion to deal in this paper, is: Is entailment …

… logics, epistemic logics, deontic logics, causal logics, counterfactual logics, relevant logics,
and entailment logic … in R, the addition of an explicit S4-style theory of the necessity operator …

… Chapter VI, The theory of entailment, is devoted to relevant systems E v 3 ', Rv3, \ TV3'', EM
… that lie behind relevance logic and entailment is given in §35. The relation of entailment to …