Results 111 to 120 of about 318,238 (318)
Double-Negation Elimination in Some Propositional Logics
, 2002 This article answers two questions (posed in the literature), each concerning the guaranteed existence of proofs free of double negation. A proof is free of double negation if none of its deduced steps contains a term of the form n(n(t)) for some term t,
Beeson, Michael +2 more
core +1 more source
The problem of future contingents: scoping out a solution [PDF]
, 2020 Various philosophers have long since been attracted to the doctrine that future contingent propositions systematically fail to be true—what is sometimes called the doctrine of the open future.
Todd, Patrick
core
By dawn or dusk—how circadian timing rewrites bacterial infection outcomes
FEBS Letters, EarlyView.The circadian clock shapes immune function, yet its influence on infection outcomes is only beginning to be understood. This review highlights how circadian timing alters host responses to the bacterial pathogens Salmonella enterica, Listeria monocytogenes, and Streptococcus pneumoniae revealing that the effectiveness of immune defense depends not only
Devons Mo +2 more
wiley +1 more source
The pragmatics of descriptive and metalinguistic negation: experimental data from French
Glossa, 2018 The phenomenon of descriptive and metalinguistic negation has been debated for a long time from a theoretical perspective. On the one hand, there are defenders of the ambiguist approach to negation, in which the descriptive negation basically serves to ...
Cristina Grisot, Joanna Blochowiak
doaj +2 more sources
Hematopoietic (stem) cells—The elixir of life?
FEBS Letters, EarlyView.The aging of HSCs (hematopoietic stem cells) and the blood system leads to the decline of other organs. Rejuvenating aged HSCs improves the function of the blood system, slowing the aging of the heart, kidney, brain, and liver, and the occurrence of age‐related diseases.
Emilie L. Cerezo +4 more
wiley +1 more source
Negation in Igálà Negation in Igálà
Entrepalavras: Revista de Linguística do Departamento de Letras Vernáculas da Universidade Federal do Ceará, 2012 Unlike other Yoruboid languages, Igálà uses a double negation syntax which combines two independent but mutually obligatory elements to generate a single semantic unit of negation.
Johnson Folorunso ILORI +1 more
doaj
Reasoning about Minimal Belief and Negation as Failure
, 2011 We investigate the problem of reasoning in the propositional fragment of MBNF, the logic of minimal belief and negation as failure introduced by Lifschitz, which can be considered as a unifying framework for several nonmonotonic formalisms, including ...
Rosati, R.
core +1 more source
FEBS Letters, EarlyView.Bifidobacterium bifidum establishes symbiosis with infants by metabolizing lacto‐N‐biose I (LNB) from human milk oligosaccharides (HMOs). The extracellular multidomain enzyme LnbB drives this process, releasing LNB via its catalytic glycoside hydrolase family 20 (GH20) lacto‐N‐biosidase domain.
Xinzhe Zhang +5 more
wiley +1 more source
Preverbal negative markers in Buli [PDF]
, 2009 This article deals with some aspects of negation in Buli, a Gur language spoken by the Bulsa people in Northern ...
Schwarz, Anne
core
Frontiers in Psychology, 2019 The two-step process account of negation understanding posits an initial representation of the negated events, followed by a representation of the actual state of events. On the other hand, behavioral and neurophysiological studies provided evidence that
David Beltrán +3 more
semanticscholar +1 more source