Finean essence, local necessity, and pure logical properties
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DOI: 10.1007/s11229-017-1441-9
Abstract: Since Kit Fine published his famous counter-examples to the modal account of essence, numerous modalists have proposed to avoid the counter-examples by revising the modal account. A sophisticated revision has been put forward by Fabrice… read more here.
Keywords: essence local; local necessity; finean essence; counter ... See more keywords
On counter-examples to Aizerman and Kalman conjectures
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DOI: 10.1080/00207179.2020.1830304
Abstract: Counter-examples to Aizerman's and Kalman's conjectures are considered. Investigation of the behaviour in the vicinity of the origin and at a distance from the origin is done. The simultaneous exis... read more here.
Keywords: counter examples; kalman conjectures; examples aizerman; aizerman kalman ... See more keywords
Potential counter-examples to a conjecture on the column space of the adjacency matrix
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DOI: 10.1515/spma-2025-0033
Abstract: Abstract Attempts to resolve the Akbari-Cameron-Khosrovshahi-conjecture have so far focused on the rank of a matrix. The conjecture claims that there exists a nonzero (0, 1)-vector in the row space of a (0, 1)-adjacency matrix… read more here.
Keywords: counter examples; potential counter; adjacency matrix; examples conjecture ... See more keywords