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The word fact can refer to verified information about past or present circumstances or events which are presented as objective reality. In science, it means a provable concept.
Fact is sometimes used synonymously with truth or reality, as distinguishable from conclusions or opinions. This use is found in such phrases as, It is a fact that the cup is red or Matter of fact, and "... not history, nor fact, but imagination."
Fact also indicates a matter under discussion deemed to be true or correct, such as to emphasize a point or prove a disputed issue; (e.g., "... the fact of the matter is ...").
Alternatively, fact may also indicate an allegation or stipulation of something that may or may not be a "true fact", (e.g., "the author's facts are not trustworthy"). This alternate usage, although contested by some, has a long history in standard English.
Fact may also indicate findings derived through a process of evaluation, including review of testimony, direct observation, or otherwise; as distinguishable from matters of inference or speculation. This use is reflected in the terms "fact-find" and "fact-finder" (e.g., "set up a fact-finding commission").
Facts may be checked by reason, experiment, personal experience, or may be argued from authority. Roger Bacon wrote "If in other sciences we should arrive at certainty without doubt and truth without error, it behooves us to place the foundations of knowledge in mathematics."
Facts may be understood as that which makes a true sentence true. Facts may also be understood as those things to which a true sentence refers. The statement "Jupiter is the largest planet in the solar system" is about the fact Jupiter is the largest planet in the solar system.
Misunderstanding of the difference between fact and theory sometimes leads to fallacy in rhetoric, in which one person will say his or her claim is factual whereas the opponent's claim is just theory. Such statements indicate confusion as to the meanings of both words, suggesting the speaker believes that fact means "truth," and theory means "speculation."
The Slingshot argument claims to show that all true statements stand for the same thing - the truth value true. If this argument holds, and facts are taken to be what true statements stand for, then we reach the counter-intuitive conclusion that there is only one fact - "the truth".
Difficulties arise, however, in attempting to identify the constituent parts of negative, modal, disjunctive, or moral facts.
Moral philosophers since David Hume have debated whether values are objective, and thus factual. In A Treatise of Human Nature Hume pointed out there is no obvious way for a series of statements about what ought to be the case to be derived from a series of statements of what is the case. Those who insist there is a logical gulf between facts and values, such that it is fallacious to attempt to derive values from facts, include G. E. Moore, who called attempting to do so the Naturalistic fallacy.
Factuality — what has occurred — can also be contrasted with counterfactuality — what might have occurred, but did not. A counterfactual conditional or subjunctive conditional is a conditional (or "if-then") statement indicating what would be the case if events had been other than they actually are. For example, "If Alexander had lived, his empire would have been greater than Rome". This is to be contrasted with an indicative conditional, which indicates what is (in fact) the case if its antecedent is (in fact) true — for example, "if you drink this, it will make you well".
Such sentences are important to Modal logic, especially since the development of Possible world semantics.
Just as in philosophy, the scientific concept of fact is central to fundamental questions regarding the nature, methods, scope and validity of scientific reasoning.
In the most basic sense, a scientific fact is an objective and verifiable observation, in contrast with a hypothesis or theory, which is intended to explain or interpret facts. (For an example, see Evolution as theory and fact.)
Various scholars have offered significant refinements to this basic formulation, some of which are detailed below. Also, rigorous scientific use of the term "fact" is careful to distinguish: 1) states of affairs in the external world; from 2) assertions of fact that may be considered relevant in scientific analysis. The term is used in both senses in the philosophy of science.
Consistent with the theory of confirmation holism, some scholars assert "fact" to be necessarily "theory-laden" to some degree. Thomas Kuhn and others pointed out that knowing what facts to measure, and how to measure them, requires the use of some other theory (e.g., age of fossils is based on radiocarbon dating which is justified by reasoning that radioactive decay follows a Poisson process rather than a Bernoulli process). Similarly, Percy Williams Bridgman is credited with the methodological position known as operationalism, which asserts that all observations are not only influenced, but necessarily defined by the means and assumptions used to measure them.
A common rhetorical cliché states, "History is written by the winners". This phrase suggests but does not examine the use of facts in the writing of history.
E. H. Carr in his 1961 volume, What is History?, argues that the inherent biases from the gathering of facts makes the objective truth of any historical perspective idealistic and impossible. Facts are, "like fish in the Ocean," of which we may only happen to catch a few, only an indication of what is below the surface. Even a dragnet cannot tell us for certain what it would be like to live below the Ocean's surface. Even if we do not discard any facts (or fish) presented, we will always miss the majority; the site of our fishing, the methods undertaken, the weather and even luck play a vital role in what we will catch. Additionally, the composition of history is inevitably made up by the compilation of many different bias of fact finding - all compounded over time. He concludes that for a historian to attempt a more objective method, one must accept that history can only aspire to a conversation of the present with the past - and that one's methods of fact gathering should be openly examined. As with science, historical truth and facts will therefore change over time and reflect only the present consensus (if that).
These include:
an element required in legal pleadings to demonstrate a cause of action;
the determinations of the finder of fact after evaluating admissible evidence produced in a trial or hearing; a potential ground of reversible error forwarded on appeal in an appellate court; and any of various matters subject to investigation by official authority to establish whether a crime has been perpetrated, and to establish culpability.
Category:Critical thinking Category:Reality Category:Units of information (cognitive processes) Category:Philosophy of science Category:Concepts in epistemology
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