Lassi Saario-Ramsay

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I will defend my doctoral dissertation entitled “Metametamorphoses: Transformations of logical form and consequence from Ockham to Tarski” at the Faculty of Humanities @helsinki.fi on 17 March 2026 at 1pm tapahtumat.helsinki.fi/en-FI/page/6...

17. lokakuuta 2025 YouTube video by Paris

youtu.be/KTTkNn1pEIo?...

#MinäTutkin sitä, miten käsityksemme pätevän päättelyn perustasta eli loogisesta seurauksesta ovat muuttuneet 1300-luvulta 1930-luvulle logiikan siirtyessä luonnollisesta kielestä keinotekoiseen formaalikieleen ja filosofian piiristä yhä enemmän matematiikan palvelukseen.

Sorites and the Ship of Theseus: a logic of fuzzy identity Abstract. Graham Priest distinguishes between two kinds of Sorites paradoxes: standard Sorites, such as the paradox of the Heap, and non-standard Sorites,

My paper “Sorites and the Ship of Theseus: a logic of fuzzy identity” has now been published with open access in the Logic Journal of the IGPL:

doi.org/10.1093/jigp... #fuzzylogic #vagueness #sorites #paradox #logic

i² Seminar | Lassi Saario-Ramsay (University of Helsinki) – Presentation: Whatever Happened to the Medieval Parisian Account of Formal Consequence? A Systematic Review of Early English Books. On Tuesday, July 8, from 11:00 to 12:30, in Room 14.11, the i² Seminar will host Lassi Saario-Ramsay (University of Helsinki), PhD Candidate and visiting researcher at our center. His presentation …

i2erc.wordpress.com/2025/07/02/i...

The two schools of formal consequence in the fourteenth century: redrawing the distinction The distinction between formal and material consequence was introduced into medieval logic in the fourteenth century. Authors widely adopted the new terms but disagreed on their definition. The so-...

My paper “The two schools of formal consequence in the fourteenth century: redrawing the distinction” has now been published with open access in the British Journal for the History of Philosophy @thebshp.bsky.social:

doi.org/10.1080/0960... #logic #philosophy #middleages #medievalphilosophy