dc.contributor.author | Makinson, David | |
dc.date.accessioned | 2021-05-11T06:22:46Z | |
dc.date.available | 2021-05-11T06:22:46Z | |
dc.date.issued | 2020-12-30 | |
dc.identifier.issn | 0138-0680 | |
dc.identifier.uri | http://hdl.handle.net/11089/35461 | |
dc.description.abstract | We comment on certain features that second-level inference rules commonly used in mathematical proof sometimes have, sometimes lack: suppositions, indirectness, goal-simplification, goal-preservation and premise-preservation. The emphasis is on the roles of these features, which we call 'perfumes', in mathematical practice rather than on the space of all formal possibilities, deployment in proof-theory, or conventions for display in systems of natural deduction. | en |
dc.language.iso | en | |
dc.publisher | Wydawnictwo Uniwersytetu Łódzkiego | pl |
dc.relation.ispartofseries | Bulletin of the Section of Logic;4 | en |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0 | |
dc.subject | second-level inference | en |
dc.subject | suppositions | en |
dc.subject | indirect inference | en |
dc.subject | goal simplification | en |
dc.subject | goal preservation | en |
dc.subject | wlog | en |
dc.subject | premise preservation | en |
dc.title | The Phenomenology of Second-Level Inference: Perfumes in The Deductive Garden | en |
dc.type | Other | |
dc.page.number | 327-342 | |
dc.contributor.authorAffiliation | Les Etangs, B2 Domaine de la Ronce 92410 Ville d'Avray France | en |
dc.identifier.eissn | 2449-836X | |
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dc.contributor.authorEmail | david.makinson@gmail.com | |
dc.identifier.doi | 10.18778/0138-0680.2020.23 | |
dc.relation.volume | 49 | |