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Hypothesis

Hypothesis

Hypothesis

In general, an assumption, a supposition, a conjecture, a postulate, a condition, an antecedent, a contingency, a possibility, a probability, a principle, a premiss, a ground or foundation, a tentative explanation, a probable cause, a theoretical situation, an academic question, a specific consideration, a conceded statement, a theory or view for debate or action, a likely relation, the conditioning of one thing by another.

In logic, the conditional clause or antecedent in a hypothetical proposition. Also a thesis subordinate to a more general one.

In methodology, a principle offered as a conditional explanation of a fact or a group of facts; or again, a provisional assumption about the ground of certain phenomena, used as a guiding norm in making observations and experiments until verified or disproved by subsequent evidence. A hypothesis is conditional or provisional, because it is based on probable and insufficient arguments or elements; yet, it is not an arbitrary opinion, but a justifiable assumption with some foundation in fact, this accounts for the expectation of some measure of agreement between the logical conclusion or implications drawn from a hypothesis, and the phenomena which are known or which may be determined by further tests. A scientific hypothesis must be

proposed after the observations it must explain (a posteriori),

compatible with established theories,

reasonable and relevant,

fruitful in its applications and controllable,

general in terms and more fundamental than the statements it has to explain.

A hypothesis is descriptive (forecasting the external circumstances of the event) or explanatory (offering causal accounts of the event). There are two kinds of explanatory hypotheses

the hypothesis of law (or genetic hypothesis) which attempts to determine the manner in which the causes or conditions of a phenomenon operate and

the hypothesis of cause (or causal hypothesis) which attempt to determine the causes or conditions for the production of the phenomenon.

A working hypothesis is a preliminary assumption based on few, uncertain or obscure elements, which is used provisionally as a guiding norm in the investigation of certain phenomena. Often, the difference between a working hypothesis and a scientific hypothesis is one of degree; and in any case, a hypothesis is seldom verified completely with all its detailed implications.

The Socratic Method of Hypothesis, as developed by Plato in the Phaedo particularly, consists in positing an assumption without questioning its value, for the purpose of determining and analyzing its consequences only when these are clearly debated and judged, the assumption itself is considered for justification or rejection. Usually, a real condition is taken as a ground for inferences, as the aim of the method is to attain knowledge or to favor action. Plato used more specially the word “hypothesis” for the assumptions of geometry (postulates and nominal definitions) Anstotle extended this use to cover the immediate principles of mathematics. It may be observed that the modern hypothetico-deductive method in logical and mathematical theories, is a development of the Socratic method stripped of its ontological implications and purposes.

— T.G.

Fuente: The Dictionary of Philosophy