Willard Thorp, in his new book, American Writing In The Twentieth Century, observes, quite validly it seems: `` Certain subjects are conspicuously absent or have been only lightly touched.

Certain features we have touched upon: philosophy as a logical, deductive system from which a social science methodology can be built up ; ;

`` Certain people must have known about it ''.

Certain facts of their lives have been attributed to him, as well as some of their works: thus the Life of St Bernard should be ascribed to Alain of Auxerre and the Commentary upon Merlin to Alan of Tewkesbury.

Certain natural substances are reputed to have anxiolytic properties, including the following:

Certain basic teachings appear in many places throughout the early texts, so most scholars conclude that the Buddha must at least have taught these teachings:

Certain indigenous Dayak people ( such as the Kayan, Kenyah, Lun Bawang / Lun Dayeh, Punan Bah and Penan ) living on the island have been struggling for decades for their right to preserve their environment from loggers and transmigrant settlers and colonists.

Certain Boer nationalists have asserted that they do not consider themselves a right-wing element of the political spectrum.

Certain elements have no stable isotopes and are composed only of radioactive isotopes: specifically the elements without any stable isotopes are technetium ( atomic number 43 ), promethium ( atomic number 61 ), and all observed elements with atomic numbers greater than 82.

Certain stereotypical patterns of breathing have been identified including Cheyne-Stokes a form of breathing in which the patient's breathing pattern is described as alternating episodes of hyperventilation and apnea.

Certain viruses such as Hepatitis B and human papilloma viruses have been found to cause cancer in humans.

Certain experts have noted the shape of a domestic dog's brain case is closer to the coyote's in shape than that of a wolf's.

* Certain kinds of memory leaks, in which a program fails to free memory occupied by objects that have actually become unreachable, which leads to memory exhaustion if such a behavior is repeated indefinitely.

Certain Jewish thinkers, such as Maimonides, believed that concubines are strictly reserved for kings, and thus that a commoner may not have a concubine ; indeed, such thinkers argued that commoners may not engage in any type of sexual relations outside of a marriage.

Certain chemotherapy agents also have a role in the treatment of other conditions, including ankylosing spondylitis, multiple sclerosis, Crohn's disease, psoriasis, psoriatic arthritis, rheumatoid arthritis, and scleroderma.

Certain scholars have argued that she should be seen as an early feminist who efficiently used language to convey that women could play an important role within society.

Certain rules have traditionally been given for this particular type of definition.

* Certain population segments have been historically under-researched ( racial minorities and people with co-morbid diseases ), and thus the RCT restricts generalizing.

Certain aspects of XP have changed since the book Extreme Programming Refactored ( 2003 ) was published ; in particular, XP now accommodates modifications to the practices as long as the required objectives are still met.

Certain of his film related material and personal papers are contained in the Wesleyan University Cinema Archives to which scholars and media experts from around the world may have full access.

Certain insurance products and practices have been described as rent-seeking by critics.

Certain courts, particularly the United States Supreme Court and most state supreme courts, have discretionary jurisdiction, meaning that they can choose which cases to hear from among all the cases presented on appeal.

Certain, often more expensive keyboards have a diode between each intersection, allowing the keyboard microcontroller to accurately sense any number of simultaneous keys being pressed, without generating erroneous ghost keys ..

Certain resolutions of these paradoxes, particularly Graham Priest's dialetheism as formalised in LP, have the law of excluded middle as a theorem, but resolve out the Liar as both true and false.

Certain tree species, such as hemlock, have also been particularly depleted by past logging activity.

Certain species ( e. g. the Herring Gull ) have exhibited tool use behaviour, using pieces of bread as bait with which to catch goldfish, for example.

Certain prophets of the Old Testament who exhibited signs of strange behaviour are considered by some scholars to be predecessors of " Fools for Christ ".

Certain fig species ( mainly F. cotinifolia, F. insipida and F. padifolia ) are traditionally used in Mesoamerica to produce papel amate ( Nahuatl: āmatl ).

Certain Protestants ( for instance the magisterial reformers ) hold that one can be guilty of sin even if it is not voluntary ; The Catholic Church, by contrast, traditionally has held that one is subjectively guilty of sin only when the sin is voluntary.

Certain countries classify sausage types according to the region in which the sausage was traditionally produced:

Certain areas of the traditionally defined Midwest are often cited as not being representative of the region, while other areas traditionally outside of the Midwest are often claimed to be part of the Midwest.

Certain Christian theologians have also criticized a tendency to " historicize " and " dogmatize " certain political or secular events such as the Shoah which are not part of theology as traditionally understood, that is, theology as a hermeneutic of the deposit of faith and of divine revelation, and not theology as sociology, philosophy, history or politics.

Certain countries prohibit a legal entity from holding human rights ; other countries permit artificial persons to enjoy certain protections from the state that are traditionally described as human rights.

Certain areas are traditionally held to be belonging to women.

Certain cults were traditionally associated with specific gentes.

Certain patterns can only be worn by nobility ; traditionally, wider stripes or wavy lines of greater width indicated higher rank.

Certain species of Cirsium, like Cirsium monspessulanum, Cirsium pyrenaicum and Cirsium vulgare, have been traditionally used as food in rural areas of Southern Europe.

Certain of those clans traditionally provide ritual chiefs, known as the " masters of the fishing spear " or beny bith, who provide leadership for the entire people and appear to be at least in part hereditary.

Certain Christian communities of India, Syria, Lebanon, and Israel / Palestinian Territories have traditionally been associated with some 1st century Jewish Christian heritage.

Certain dynamic scripting languages such as AWK, sed, and Perl have traditionally been adept at expressing one-liners.

Certain investors, particularly those in the highest tax brackets, could be significantly worse off investing in income trusts compared to traditionally structured corporations.

Certain long-standing rules and rituals govern the construction, handling, playing, and care of the sacred batá: traditionally only non-castrated male deer or goat hide was used — female goats along with bulls, cows, and sheep were considered unsuitable ; also only an initiate was considered worthy to touch or play the batá as only they have undergone the full ritual of ' receiving Añá ' granting them the forces deemed necessary to play the drums.

Certain UK organisations, usually socialist or left-of-centre political groups, have traditionally had a policy that members should never accept wages higher than the wage of the average working class person whilst being employed by that organisation or in a representative capacity.