en>Jim.henderson: /* Visual effect */ File:Lamp base at N.Y. Public Library - Schwarzman Bldg. - exterior.jpg

2014-12-24T23:13:21Z

Visual effect: File:Lamp base at N.Y. Public Library - Schwarzman Bldg. - exterior.jpg

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	The ~~notion~~ of ~~'''institution''' has been created by [[Joseph Goguen]]~~ and ~~[[Rod Burstall]] in~~ the ~~late 1970s~~		Stress causes the brain to become chemically imbalanced. The emotional roller coaster of preparing and waiting for the date --- not to mention the actual outcome of it --- can put even the most stable of women in panic. • Step into this experience and feel it totally and fully, see what you saw, hear what your heard and feel what you felt. Feeling of nausea, tightness in the chest area and not knowing what to do before entering a bank or opening the gate of your villa can be an exasperating thing. Maintain your eye contact with all members of the panel whenever replying to an inquiry. <br><br>The first, Capgras Delusion, is characterized by the patient being convinced a close family member or friend is an imposter. Once you feel the anxiety starting to take hold, play your favorite tunes. I think it's outstanding that I have friends from all over the world that I've never met and probably never will, but I think it can also stunt your growth when it comes to getting past the reality of shyness and social anxiety. It is fine to tune in to the latest news developments once a day, but you want to avoid feeding your anxieties with a steady stream of disheartening and threatening news throughout the course of the day. If someone puts on a bandage but never checks to see if the wound needs cleaning, then continues to drudge through mud and the danger which caused the wound in the first place, then that bandage will have been pretty useless. <br><br>A certain humming sound or a continuous sound can make the person lose his balance. (( Anxiety is a psychological and physiological state characterized by -. The Valerian root in the tea decreased my anxiety like nothing I had ever found. It is just your body's reaction to fear and flight that you are experiencing. If there is nothing you can do, will yourself to stop worrying and even thinking about whatever worries you. <br><br>- Mental 'muddiness' (inability to focus or concentrate). They have faith on the actions taken and believe that such actions will work out in the future, thus not focusing much on an uncontrollable event that might happen in future. Whatever the case, a little small talk prior to the interview can go a long way toward establishing who will be willing to fight for you in the selection process. On the net anxiety forums you'll notice a full variety of sections. Lastly, people will demand for the root causes of all these anxiety conditions. <br><br>Step One: Learn as much as possible about anxiety disorders. Separation anxiety can be a nuisance, especially as the baby gets older. Repeat this exercise every time you feel an anxiety attack is about to strike, and gradually you would observe that the number of your worries and their intensity decrease. High grain intake and low fat intake is exactly the wrong combination to follow when trying to avoid high blood pressure. It could include sweating armpits, sweaty palms, even body sweat running down your back.<br><br>If you loved this information and you would certainly like to get additional info concerning [http://www.stress-lavoro-correlato.info/sitemap/ natural ways to cure anxiety] kindly visit our own webpage.
	~~in order to deal with the "population explosion among the [[logical system]]s used in~~
	~~[[computer science]]". The notion tries~~ to ~~capture~~ the ~~essence~~ of the ~~concept~~ of ~~"logical system"~~.
	~~With~~ this, it ~~is possible to develop concepts of [[specification language]]s (like structuring of specifications~~, ~~parameterization~~, ~~implementation, refinement, development), [[proof calculi]] and even [[tool]]s in a way completely independent of the underlying logical system. There are also [[morphism]]s that allow to relate~~ and ~~translate logical systems~~. ~~Important applications~~ of ~~this are re-use of logical structure (also called borrowing)~~, ~~heterogeneous specification~~ and ~~combination~~ of ~~logics~~. ~~Recently, [[institutional model theory]] has generalized many notions and deep results~~ of ~~[[model theory]]~~.

	~~==Definition==~~
	The ~~theory of institutions does not assume anything about the nature of the logical system. That~~ is~~, [[Interpretation (logic)\|model]]s and [[Sentence (mathematical logic)\|sentences]] may be arbitrary objects;~~ the ~~only assumption~~ being ~~that there is a '''satisfaction relation''' between models and sentences, telling whether a sentence holds in~~ a ~~model~~ or ~~not~~. ~~Satisfaction is inspired by [[T-schema\|Tarski's truth definition]]~~, ~~but can in fact be any binary relation~~.
	~~A crucial feature of institutions now is that models, sentences and their satisfaction are always being considered to live in some vocabulary or context (called~~ '~~''signature''')~~ that ~~defines~~ the ~~(non-logical) symbols~~ that ~~may be used in sentences~~ and ~~that need to be interpreted in models. Moreover~~, ~~'''signature morphisms''' allow to extend signatures, change notation etc. Nothing is assumed about signatures and signature morphisms except that signature morphisms~~ can ~~be composed; this amounts~~ to ~~having a~~
	~~[[Category (mathematics)\|category]]~~ of ~~signatures~~ and ~~morphisms~~. ~~Finally, it~~ is ~~assumed that signature morphisms lead~~ to ~~translations of sentences and models~~ in ~~a way that satisfaction is preserved. While sentences are translated along with signature morphisms (think of symbols being replaced along~~ the ~~morphism), models are translated (or better: reduced) '''against''' signature morphisms: for example, in case of~~ a ~~signature extension~~, ~~a model of the (larger) target signature may be reduced~~ to a ~~model~~ of the ~~(smaller) source signature by just forgetting some components~~ of the ~~model~~.

	~~Formally, an institution consists of~~

	* a ~~[[Category (mathematics)\|category]] <math>Sign</math> of '''signatures'''~~,
	* a [[functor]] <math>sen:Sign \to ~~</math>[[Category of sets\|Set]] giving, for each signature <math>\Sigma</math>,~~ the ~~set of '''sentences''' <math>sen(\Sigma)</math>~~, ~~and for each signature morphism~~ <~~math~~>~~\sigma:\Sigma\to\Sigma'~~<~~/math~~>, the ~~'''sentence translation map''' <math>sen~~(~~\sigma):sen(\Sigma)\to sen~~(~~\Sigma')</math>, where often <math>sen(\sigma)(\varphi)</math>~~ is ~~written as <math>\sigma(\varphi)</math>,~~
	* a ~~[[functor]] <math>Mod:Sign^{op}\to</math>[[Category of small categories\|Cat]] giving, for each signature <math>\Sigma</math>, the category of '''models''' <math>Mod(\Sigma)</math>,~~ and ~~for each signature morphism <math>\sigma:\Sigma\to\Sigma'</math>,~~ the '~~''reduct functor''' <math>Mod(\sigma):Mod(\Sigma')\~~to ~~Mod(\Sigma)</math>, where often <math>Mod(\sigma)(M')</math>~~ is ~~written as <math>M'\|_{\sigma}</math>~~,
	* a satisfaction [[Binary relation\|relation]] <math>{\models_{\Sigma}}\subseteq\|{Mod(\Sigma)\|\times sen(\Sigma)}</math> for each <math>\Sigma\in Sign</math>,

	~~such that for each <math>\sigma:\Sigma\~~to~~\Sigma'</math> in <math>Sign</math> the following '''satisfaction condition''' holds:~~

	~~<math>M'\models_{\Sigma'}\sigma(\varphi)</math> if~~ and ~~only if~~ <~~math~~>~~M'\|_{\sigma}~~
	~~\models_{\Sigma} \varphi~~<~~/math~~>

	~~for each <math>M~~'~~\in Mod(\Sigma~~'~~)</math> and <math>\varphi\in sen~~(~~\Sigma)</math>.~~

	~~The satisfaction condition expresses that truth is invariant under change of notation~~
	~~(and also under enlargement~~ or ~~quotienting of context~~).

	~~Strictly speaking,~~ the ~~model functor ends~~ in the ~~[[quasi-category]] of all large categories.~~

	~~==Examples of Institutions==~~
	* [[Propositional logic]]
	* [[First-order logic]]
	* [[Higher-order logic]]
	* [[Intuitionistic logic]]
	* [[Modal logic]]
	* [[Temporal logic]]
	* [[Web Ontology Language]] (OWL)
	* [[Common logic]]
	* [[Common Algebraic Specification Language]] (CASL)

	~~==Papers==~~
	* [[Joseph Goguen\|J. A. Goguen]] and R. M. Burstall, ~~Introducing Institutions, Lecture Notes~~ in ~~Computer Science 164, pp~~.~~ 221–256~~, ~~1984~~.
	* J. A. Goguen and R. M. ~~Burstall~~, ~~Institutions: Abstract Model Theory~~ for ~~Specification and Programming, Journal~~ of ~~the Association for Computing Machinery 39, pp~~.~~ 95–146, 1992~~.
	* J. Meseguer, ~~General Logics, Logic Colloquium 87, pp~~.~~ 275–329~~, ~~North Holland, 1989.~~
	* J. A. Goguen and ~~G. Rosu, Institution morphisms, Formal aspects~~ of ~~computing 13, pp. 274–307, 2002.~~
	* D. Sannella and A. ~~Tarlecki, Specifications in an arbitrary institution, Information~~ and ~~Computation 76, pp. 165–210, 1988~~
	* T. Mossakowski, J. A. Goguen, R. Diaconescu, A. Tarlecki. What is ~~a Logic?. In Jean-Yves Beziau (Ed~~.), ~~Logica Universalis~~, pp.~~ 113–133. Birkhäuser 2005.~~

	~~==External links==~~
	*[http://www-~~cse.ucsd.edu/users/goguen/projs/inst.html Institutions by Joseph Goguen]~~
	*[http://www.informatik.uni-~~bremen~~.de/~~flirts~~/ ~~Formalism, Logic, Institution - Relating, Translating and Structuring~~] ~~(including large bibliography)~~
	*[http://www.~~imar.ro/~diacon/publications.html#Institutions__institution-independent Razvan Diaconescu's publication list] - contains recent work on institutional model theory~~

	~~==See also==~~
	* [[Entailment system]]
	* [[Abstract model theory]]
	* [[Institutional model theory]]

	~~[[Category:Theoretical computer science]]~~
	~~[[Category:Model theory]]~~

en>TiagoTiago: /* Purpose and methods */ i want more info about "gradient domain", so i made it a link in hopes someone will eventually write an article about it

2013-09-05T09:01:38Z

Purpose and methods: i want more info about "gradient domain", so i made it a link in hopes someone will eventually write an article about it

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en>Su-steve: /* 3) Local Contrast preservation */ Improved spacing below Eqn 6.

2012-08-23T16:14:22Z

3) Local Contrast preservation: Improved spacing below Eqn 6.

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It is very common to have a dental emergency -- a fractured tooth, an abscess, or severe pain when chewing. Over-the-counter pain medication is just masking the problem. Seeing an emergency dentist is critical to getting the source of the problem diagnosed and corrected as soon as possible. Here are some common dental emergencies: Toothache: The most common dental emergency. This generally means a badly decayed tooth. As the pain affects the tooth's nerve, treatment involves gently removing any debris lodged in the cavity being careful not to poke deep as this will cause severe pain if the nerve is touched. Next rinse vigorously with warm water. Then soak a small piece of cotton in oil of cloves and insert it in the cavity. This will give temporary relief until a dentist can be reached. At times the pain may have a more obscure location such as decay under an old filling. As this can be only corrected by a dentist there are two things you can do to help the pain. Administer a pain pill (aspirin or some other analgesic) internally or dissolve a tablet in a half glass (4 oz) of warm water holding it in the mouth for several minutes before spitting it out. DO NOT PLACE A WHOLE TABLET OR ANY PART OF IT IN THE TOOTH OR AGAINST THE SOFT GUM TISSUE AS IT WILL RESULT IN A NASTY BURN. Swollen Jaw: This may be caused by several conditions the most probable being an abscessed tooth. In any case the treatment should be to reduce pain and swelling. An ice pack held on the outside of the jaw, (ten minutes on and ten minutes off) will take care of both. If this does not control the pain, an analgesic tablet can be given every four hours. Other Oral Injuries: Broken teeth, cut lips, bitten tongue or lips if severe means a trip to a dentist as soon as possible. In the mean time rinse the mouth with warm water and place cold compression the face opposite the injury. If there is a lot of bleeding, apply direct pressure to the bleeding area. If bleeding does not stop get patient to the emergency room of a hospital as stitches may be necessary. Prolonged Bleeding Following Extraction: Place a gauze pad or better still a moistened tea bag over the socket and have the patient bite down gently on it for 30 to 45 minutes. The tannic acid in the tea seeps into the tissues and often helps stop the bleeding. If bleeding continues after two hours, call the dentist or take patient to the emergency room of the nearest hospital. Broken Jaw: If you suspect the patient's jaw is broken, bring the upper and lower teeth together. Put a necktie, handkerchief or towel under the chin, tying it over the head to immobilize the jaw until you can get the patient to a dentist or the emergency room of a hospital. Painful Erupting Tooth: In young children teething pain can come from a loose baby tooth or from an erupting permanent tooth. Some relief can be given by crushing a little ice and wrapping it in gauze or a clean piece of cloth and putting it directly on the tooth or gum tissue where it hurts. The numbing effect of the cold, along with an appropriate dose of aspirin, usually provides temporary relief. In young adults, an erupting 3rd molar (Wisdom tooth), especially if it is impacted, can cause the jaw to swell and be quite painful. Often the gum around the tooth will show signs of infection. Temporary relief can be had by giving aspirin or some other painkiller and by dissolving an aspirin in half a glass of warm water and holding this solution in the mouth over the sore gum. AGAIN DO NOT PLACE A TABLET DIRECTLY OVER THE GUM OR CHEEK OR USE THE ASPIRIN SOLUTION ANY STRONGER THAN RECOMMENDED TO PREVENT BURNING THE TISSUE. The swelling of the jaw can be reduced by using an ice pack on the outside of the face at intervals of ten minutes on and ten minutes off. If you cherished this short article and you would like to obtain extra facts pertaining to [http://www.youtube.com/watch?v=90z1mmiwNS8 dentist DC] kindly pay a visit to the web-site.

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en>Jim.henderson: /* Visual effect */ File:Lamp base at N.Y. Public Library - Schwarzman Bldg. - exterior.jpg

en>TiagoTiago: /* Purpose and methods */ i want more info about "gradient domain", so i made it a link in hopes someone will eventually write an article about it

en>Su-steve: /* 3) Local Contrast preservation */ Improved spacing below Eqn 6.