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The indirect way of transformation of a hypothesis into reliable knowledge consists in a denial of all false hypotheses then conclude about the validity of one remained assumption. The dividing and categorical conclusion, the otritsayushche-claiming mode is for this purpose applied. Structure his same, as at an indirect demonstration.

The main way of confirmation of hypotheses - removal of consequences and their verification. In the course of verification the big role belongs to various experiments. Experiment considers most often influence not of one factor, but many therefore it is necessary to plan experiment so that the result was received for shorter time, more effectively and whenever possible is not expensive.

One more hypothesis: The earth on a straight line was penetrated by a space body, a so-called black hole (the matter clot which is pulled together with gravitation in insignificant volume and having almost infinitely high density). Though "the black hole" has the huge weight making noticeable part of terrestrial weight, its diameter is hardly more, than diameter of one atom therefore, according to authors of this hypothesis, Earth could endure this collision. However this theory is improbable.

Any hypothesis has basic data, or the bases, and the end result of a reasoning - the assumption. It includes also processing of basic data and logical approach to the assumption. The final stage of knowledge - the check of a hypothesis turning the assumption into reliable knowledge or disproving it.

The bigger number of consequences is absent, the degree a denial of the stated hypothesis is higher. The hypothesis will finally be disproved if the facts, circumstances, the phenomena contradicting the consequences following from this hypothesis are found.

The denial of hypotheses is carried out by a denial of their consequences. Thus it can be found out that many or all necessary consequences of the considered hypothesis do not take place actually. Besides, it is possible, the facts contradicting the removed consequences will be found.

Important condition of creation of a fruitful hypothesis both in the course of implementation of the specific research program, and in judicial and investigative practice is observance of the principle of objectivity of research.

Secondly, comprehensiveness demands creation of all of possible versions in specific conditions. This requirement is dictated by application of a shirokoizvestny method in science of "multiple hypotheses". As primary material in any empirical research, as a rule, happens incomplete, it thereby gives idea only of separate links, separate dependences between the phenomena. To reveal all chain of interrelations, it is necessary to assume all possible explanations, i.e. to construct a number of the versions which are differently explaining unknown circumstances.

Creation of a hypothesis is a difficult logical process with participation of various forms of conclusions. In some cases the hypothesis arises as result of likening of two single phenomena, i.e. as its basis the analogy, in other cases it - result of deductive conclusions acts, most often its emergence is preceded by inductive generalization of empirical material.

The following task is synthesis of the facts and the formulation of a hypothesis. The hypothesis should not contradict the theories which are earlier opened and confirmed with practice. The competing hypotheses differently explaining the same phenomenon can be made, hypotheses of an organic or inorganic origin of oil, etc. are competing. At creation of a hypothesis it is necessary to consider also the requirement that the hypothesis explained the greatest number of the facts, and.. would be whenever possible simple in a form of their justification.