Elia Zardini<\/p>\n
Complutense University of Madrid<\/p>\n
15 November 2019, 16:00<\/strong><\/p>\n Faculdade de Letras de Lisboa<\/strong><\/p>\n Sala Mattos Rom\u00e3o <\/strong>(Departamento de Filosofia)<\/p>\n Abstract:<\/strong> The paper presents an overarching argument to the effect that, given a certain attractive picture according to which\u2014in certain situations, for certain obviously true propositions\u2014(being in a position to have) knowledge iterates, single-premise closure of knowledge under logical consequence fails. The situations in question involve inexact knowledge, originating with one\u2019s less than perfect powers of discrimination. Along the way to the main conclusion, it is first argued that the justification of margin-for-error principles as principles governing inexact knowledge is based on two flawed assumptions and that the principles themselves fail to provide a necessary condition for inexact knowledge. That crucially disposes of an influential argument against the KK-principle, whose validity\u2014at least with respect to the highly controlled situation of inexact knowledge that will be taken as example\u2014is then positively supported with two arguments concerning respectively the elevation of evidence for epistemically higher-order propositions and the norms of assertion and belief. A new and more powerful argument from inexact knowledge is then proposed against the KK-principle. However, it is observed that the argument crucially relies on certain closure principles that, under the extremely plausible assumption that knowledge iterates for certain obviously true propositions, can be shown to be unacceptable since they in effect license soritical principles. Finally, the model theory and proof theory of a non-regular modal logic for the knowledge modality are developed, and a consistency proof is given of the conjunction of the KK principle (a fortiori<\/em>, of the assumption that knowledge iterates for certain obviously true propositions) with certain principles reflecting the inexactness of much of our knowledge.<\/p>\n","protected":false},"excerpt":{"rendered":" Elia Zardini Complutense University of Madrid Open Knowledge of One\u2019s Inexact Knowledge 15 November 2019, 16:00 Faculdade de Letras de Lisboa Sala Mattos Rom\u00e3o (Departamento de Filosofia) Abstract: The paper presents an overarching argument to the effect that, given a certain attractive picture according to which\u2014in certain situations, for certain obviously true propositions\u2014(being in a […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":4,"activitypub_interaction_policy_quote":"","activitypub_status":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-890","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/cful.letras.ulisboa.pt\/lancog\/wp-json\/wp\/v2\/posts\/890","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cful.letras.ulisboa.pt\/lancog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cful.letras.ulisboa.pt\/lancog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cful.letras.ulisboa.pt\/lancog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cful.letras.ulisboa.pt\/lancog\/wp-json\/wp\/v2\/comments?post=890"}],"version-history":[{"count":0,"href":"https:\/\/cful.letras.ulisboa.pt\/lancog\/wp-json\/wp\/v2\/posts\/890\/revisions"}],"wp:attachment":[{"href":"https:\/\/cful.letras.ulisboa.pt\/lancog\/wp-json\/wp\/v2\/media?parent=890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cful.letras.ulisboa.pt\/lancog\/wp-json\/wp\/v2\/categories?post=890"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cful.letras.ulisboa.pt\/lancog\/wp-json\/wp\/v2\/tags?post=890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}