We show that over the base system P− + Σ2-bounding, the existence of a 1-generic degree < 0′′ bounding a minimal degree is equivalent to Σ2-induction.

In this work we characterize different types of solutions of a vector optimization problem by means of a scalarization procedure. Usually different scalarizing functions are used in order to obtain the various solutions of the vector problem. Here we consider different kinds of solutions of the same scalarized problem. Our results allow us to establish a parallelism between the solutions of the...

A computable structure A is x-computably categorical for some Turing degree x, if for every computable structure B ∼= A there is an isomorphism f : B → A with f ≤T x. A degree x is a degree of categoricity if there is a computable structure A such that A is x-computably categorical, and for all y, if A is y-computably categorical then x ≤T y. We construct a Σ2 set whose degree is not a degree o...

In this paper I recall the reasons in favour of extending the classical conception of truth to include degrees of truth as well as truth value gaps and gluts, then provide a sketch of a new system of logic that provides all of these simultaneously. Despite its power, the resulting system is quite simple, combining degrees of truth and degrees of falsity to provide a very flexible and elegant co...

Four new species of buccinoid gastropods from the continental shelf and slope are described. Neptunea flatteryensis Clark, n. sp. Latisipho ritteri depths 134- 165 m off Cape Flattery area Washington State, Buccinum cascadiense found at bathyal 788-1203 m, coasts Oregon, Golikovia fitchi 722-1240 California.

1. In the present study, we have pharmacologically characterized two novel mixed endothelin ETA/ETB receptor antagonists, namely BQ-928 and BQ-238, in ETA and ETB preparations, the rabbit carotid artery (RbCA) and the rabbit pulmonary artery (RbPA), respectively. These two antagonists were compared to established ETA (BQ-123 and BMS 182874), ETB (BQ-788) and mixed ETA/ETB (SB 209670) receptor a...

Ludmila Křížová1*, Jiří Třináctý1, Michal Richter1, Sylvie Hadrová1 and Jan Pozdíšek2 1 Research Institute for Cattle Breeding, Ltd., Rapotín, Department of Animal Nutrition Physiology, Pohořelice, Vídeňská 699, Pohořelice, 691 23, Czech Republic 2 Research Institute for Cattle Breeding, Ltd., Rapotín, Department of Feed Production and Animal Nutrition, Rapotín, Výzkumníků 267, Vikýřovice 788 1...

Supplementary data tml http://rspb.royalsocietypublishing.org/content/suppl/2012/01/03/rspb.2011.2485.DC1.h "Data Supplement" References http://rspb.royalsocietypublishing.org/content/279/1735/1959.full.html#ref-list-1 This article cites 69 articles, 9 of which can be accessed free Subject collections (151 articles) neuroscience • (1189 articles) evolution • (788 articles) behaviour • Articl...

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