Twice as many asteroids?
نویسندگان
چکیده
منابع مشابه
Are there really twice as many bovid species as we thought?
RASMUS HELLER1,2,∗, PETER FRANDSEN1, ELINE D. LORENZEN3,4, AND HANS R. SIEGISMUND1 1Department of Biology, University of Copenhagen, Ole Maaløes Vej 5, DK-2200 Copenhagen N, Denmark; 2Instituto Gulbenkian de Ciência, Rua da Quinta Grande 6, P-2780-156 Oeiras, Portugal; 3Department of Integrative Biology, University of California Berkeley, 1005 Valley Life Sciences Building, Berkeley, CA 94720, ...
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Symmetries in physics are a guide to reality. That much is well known. But what is less well known is why symmetry is a guide to reality. What justifies inferences that draw conclusions about reality from premises about symmetries? I argue that answering this question reveals that symmetry is an epistemic notion twice over. First, these inferences must proceed via epistemic lemmas: premises abo...
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ژورنال
عنوان ژورنال: Astronomy & Geophysics
سال: 2002
ISSN: 1366-8781,1468-4004
DOI: 10.1093/astrog/43.3.3.5