935 resultados para pragmatic problem of induction


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Bibliography: p. 223-247. Bibliographical references included in "Notes" (p. 193-222)

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This article investigates the ethics of intervention and explores the decision to invade Iraq. It begins by arguing that while positive international law provides an important framework for understanding and debating the legitimacy of war, it does not cover the full spectrum of moral reasoning on issues of war and peace. To that end, after briefly discussing the two primary legal justifications for war (implied UN authorization and pre-emptive self-defence), and finding them wanting, it asks whether there is a moral 'humanitarian exceptions to this rule grounded in the 'just war' tradition. The article argues that two aspects of the broad tradition could be used to make a humanitarian case for war: the 'holy war' tradition and classical just war thinking based on natural law. The former it finds problematic, while the latter it argues provides a moral space to justify the use of force to halt gross breaches of natural law. Although such an approach may provide a moral justification for war, it also opens the door to abuse. It was this very problem that legal positivism from Vattel onwards was designed to address. As a result, the article argues that natural law and legal positivist arguments should be understood as complementary sets of ideas whose sometimes competing claims must be balanced in relation to particular cases. Therefore, although natural law may open a space for justifying the invasion of Iraq on humanitarian terms, legal positivism strictly limits that right. Ignoring this latter fact, as happened in the Iraq case, opens the door to abuse.

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Labeled surfactants have impurities in the form of un-reacted molecules or distributed products which is a constraint in evaluating its performance. This short review deals with the purity issue of surfactants and is divided into two parts. The first part deals with the methods of purification employed for obtaining a surface chemically pure surfactant for evaluation. In the second part the use of surface chemically impure surfactant in application areas of formulations is presented to highlight the impending impact on reproducibility of results.

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Calcium oxide has been identified to be one of the best candidates for CO2 capture in zero-emission power-generation systems. However, it suffers a well-known problem of loss-in-capacity (i.e., its capacity of CO2 capture decreases after it undergoes cycles of carbonation/decarbonation). This problem is a potential obstacle to the adoption of the new technologies. This paper proposes a method of fabricating a CaO-based adsorbent without the problem of loss-in-capacity. An adsorbent was fabricated using the method and tested on a thermogravimetric analyzer. It was shown that the sorbent attained a utilization efficiency of more than 90% after 9 cycles of carbonation/decarbonation.

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