Theory of justification Totally Explained

Everything about Theory Of Justification totally explained

Theory of justification is a part of epistemology that attempts to understand the justification of propositions and beliefs. Epistemologists are concerned with various epistemic features of belief, which include the ideas of justification, warrant, rationality, and probability. Of these four terms, the term that has been most widely used and discussed in the past twenty years is "justification". Loosely speaking, justification is the reason why someone (properly) holds the belief, the explanation as to why the belief is a true one, or an account of how one knows what one knows.
If A makes a claim, and B then casts doubt on it, A's next move would normally be to provide justification. Empiricism (the evidence of the senses), authoritative testimony (the appeal to criteria and authority), and logical deduction are often involved in justification. Justification based theories of knowledge can be divided into irrationalism, which appeals to irrational criteria and authorities (feelings, faith) and panrationalism, which appeals to rational criteria and authorities (observation, intellectual intuition).

Subjects of justification

Many things can be justified: beliefs, actions, emotions, claims, laws, theories and so on. Epistemology focuses on beliefs. This is in part because of the influence of the definition of knowledge as "justified true belief" often associated with a theory discussed near the end of the Socratic dialogue Theaetetus. More generally, theories of justification focus on the justification of statements or propositions.

Justification is a normative activity

One way of explaining the theory of justification is to say that a justified belief is one that we're "within our rights" in holding. The rights in question are neither political nor moral, however, but intellectual.
In some way, each of us is responsible for what we believe. Beliefs are not typically formed completely at random, and thus we've an intellectual responsibility, or obligation, to try to believe what is true and to avoid believing what is false. An intellectually responsible act is within one's intellectual rights in believing something; preforming it, one is justified in one's belief.
Thus, justification is a normative notion. The standard definition is that a concept is normative if it's a concept regarding or depending on the norms, or obligations and permissions (very broadly construed), involved in human conduct. It is generally accepted that the concept of justification is normative, because it's defined as a concept regarding the norms of belief.

Theories of justification

There are several different views as to what entails justification, mostly focusing on the question "How sure do we need to be that our beliefs correspond to the actual world?" Different theories of justification require different amounts and types of evidence before a belief can be considered justified. Interestingly, theories of justification generally include other aspects of epistemology, such as knowledge.
The main theories of justification include:

Foundationalism - Self-evident basic beliefs justify other non-basic beliefs.
Coherentism - Beliefs are justified if they cohere with other beliefs a person holds, each belief is justified if it coheres with the overall system of beliefs.
Internalism - The believer must be able to justify a belief through internal knowledge.
Externalism - Outside sources of knowledge can be used to justify a belief.
Skepticism - A variety of viewpoints questioning the possibility of knowledge Minority viewpoints include:
Foundherentism - A combination of foundationalism and coherentism proposed by Susan Haack.
Infinitism - Beliefs are justified by infinite chains of reasons, as proposed by Peter D. Klein.

Justifiers

If a belief is justified, there's something that justifies it. The thing that justifies a belief can be called its "justifier". If a belief is justified, then it has at least one justifier. An example of a justifier would be an item of evidence. For example, if a woman is aware of the fact that her husband returned from a business trip smelling like perfume, and that his shirt has smudged lipstick on its collar, the perfume and the lipstick can be evidence for her belief that her husband is having an affair. In that case, the justifiers are the woman's awareness of the perfume and the lipstick, and the belief that's justified is her belief that her husband is having an affair.
   Not all justifiers have to be what can properly be called "evidence"; there may be some substantially different kinds of justifiers available to us. Regardless, to be justified, a belief has to have a justifier.
   But this raises an important question: what sort of thing can be a justifier?
   Three things that have been suggested are:

Beliefs only.

Beliefs together with other conscious mental states.

Beliefs, conscious mental states, and other facts about us and our environment (which we may or may not have access to). At least sometimes, the justifier of a belief is another belief. When, to return to the earlier example, the woman believes that her husband is having an affair, she bases that belief on other beliefs—namely, beliefs about the lipstick and perfume. Strictly speaking, her belief isn't based on the evidence itself—after all, what if she didn't believe it? What if she thought that all of that evidence were just a hoax? What if her husband commonly wears perfume and lipstick on business trips? For that matter, what if the evidence existed, but she didn't know about it? Then, of course, her belief that her husband is having an affair wouldn't be based on that evidence, because she didn't know it was there at all; or, if she thought that the evidence were a hoax, then surely her belief couldn't be based on that evidence.
   Consider a belief P. Either P is justified or P isn't justified. If P is justified, then another belief Q may be justified by P. If P isn't justified, then P can't be a justifier for any other belief: neither for Q, nor for Q's negation.
   For example, suppose someone might believe that there's intelligent life on Mars, and base this belief on a further belief, that there's a feature on the surface of Mars that looks like a face, and that this face could only have been made by intelligent life. So the justifying belief is: that face-like feature on Mars could only have been made by intelligent life. And the justified belief is: there's intelligent life on Mars.
   But suppose further that the justifying belief is itself unjustified. It would in no way be one's intellectual right to suppose that this face-like feature on Mars could have only been made by intelligent life; that view would be irresponsible, intellectually-speaking. Such a belief would be unjustified. It has a justifier, but the justifier is itself not justified. In fact, more recent observations have shown that the "helmeted face" doesn't look the same up close, nor when viewed from the side.

Commonly used justifiers

Abductive Reasoning or Inference to the Best Explanation

Criticism

The major opposition against the theory of justification (also called ‘justificationism’ in this context) is nonjustificational criticism (a synthesis of skepticism and absolutism) which is most notably held by some of the proponents of critical rationalism: W. W. Bartley, David Miller and Karl Popper. (But not all proponents of critical rationalism oppose justificationism; it's supported most prominently by John W. N. Watkins.)
   In justificationism, criticism consists of trying to show that a claim can't be reduced to the authority or criteria that it appeals to. That is, it regards the justification of a claim is primary, while the claim itself is secondary. By contrast, nonjustificational criticism works towards attacking claims themselves.
   Bartley also refers to a third position, which he calls critical rationalism in a more specific sense, claimed to have been Popper's view in his Open Society. It has given up justification, but not yet adopted nonjustificational criticism. Instead of appealing to criteria and authorities, it attempts to describe and explicate them.
   Philosophy professor and author Robert J. Fogelin

claims to detect a suspicious resemblance between the Theories of Justification and Agrippa's five modes leading to the suspension of belief. He concludes that the modern proponents have made no significant progress in responding to the ancient modes of pyrrhonic skepticism.

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