Now showing items 1-10 of 11
Robert Fland, or Elandus Dialecticus?
(2017-05-01) - Journal article,
In the late 1970s, Paul Spade edited three treatises, on Consequences, Insolubles and Obligations, which he attributed to an otherwise unknown fourteenth-century logician whom he named as Robert Fland. We question this ...
Harmonic inferentialism and the logic of identity
(2016-02-09) - Journal article,
Inferentialism claims that the rules for the use of an expression express its meaning without any need to invoke meanings or denotations for them. Logical inferentialism endorses inferentialism specically for the logical ...
Aristotle and Lukasiewicz on existential import
(2015) - Journal article,
Jan Lukasiewicz's treatise on Aristotle's Syllogistic, published in the 1950s, has been very influential in framing contemporary understanding of Aristotle's logical systems. However, Lukasiewicz's interpretation is based ...
Paradoxes of signification
(2016-11-24) - Journal article,
Ian Rumfitt has recently drawn our attention to a couple of paradoxes of signification, claiming that although Thomas Bradwardine's "multiple-meanings'' account of truth and signification can solve the first of them, it ...
The philosophy of logic
(Automatic Press, 2013-11-14) - Book item,
(Oxford University Press, 2015-05-14) - Book item,
The idea of proof-theoretic validity originated in the work of Gerhard Gentzen, when he suggested that the meaning of each logical expression was encapsulated in its introduction-rules, and that the elimination-rules were ...
Semantic pollution and syntactic purity
(2015-12) - Journal article,
Logical inferentialism claims that the meaning of the logical constants should be given, not model-theoretically, but by the rules of inference of a suitable calculus. It has been claimed that certain proof-theoretical ...
Signification, closure and indirect speech reports
(2015-06) - Journal article,
Bradwardine’s solution to the the logical paradoxes depends on the idea that every sentence signifies many things, and its truth depends on things’ being wholly as it signifies. This idea is underpinned by his claim that ...
Richard Kilvington and the theory of obligations
(2015-09) - Journal article,
Kretzmann and Spade were led by Richard Kilvington’s proposed revisions to the rules of obligations in his discussion of the 47th sophism in his Sophismata to claim that the purpose of obligational disputations was the ...
Miller, Bradwardine and the Truth
(2011-06) - Journal article,
In his article "Verdades antiguas y modernas" (in the same issue, pp. 207-27), David Miller criticised Thomas Bradwardine’s theory of truth and signification and my defence of Bradwardine’s application of it to the semantic ...