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Verificationism, also known as the verification principle or the verifiability criterion of meaning, is the philosophical doctrine which asserts that a statement is meaningful only if it is either empirically verifiable (i.e. confirmed through the senses) or a truth of logic (e.g., tautologies). Verificationism rejects statements of metaphysics ...
Logical positivism. Logical positivism, later called logical empiricism, and both of which together are also known as neopositivism, is a movement whose central thesis is the verification principle (also known as the verifiability criterion of meaning). [ 1 ] This theory of knowledge asserts that only statements verifiable through direct ...
0-14-013659-2. Language, Truth and Logic is a 1936 book about meaning by the philosopher Alfred Jules Ayer, in which the author defines, explains, and argues for the verification principle of logical positivism, sometimes referred to as the criterion of significance or criterion of meaning. Ayer explains how the principle of verifiability may ...
Self-verification theory. Self-verification is a social psychological theory that asserts people want to be known and understood by others according to their firmly held beliefs and feelings about themselves, [1] that is self-views (including self-concepts and self-esteem). It is one of the motives that drive self-evaluation, along with self ...
Falsifiability (or refutability) is a deductive standard of evaluation of scientific theories and hypotheses, introduced by the philosopher of science Karl Popper in his book The Logic of Scientific Discovery (1934). [ B ] A theory or hypothesis is falsifiable if it can be logically contradicted by an empirical test.
For example, the methods used must be those of scientific inquiry (criticism, observation, reproducibility, etc.). This "modification" of the consensus view is an appeal to the correspondence theory of truth, which is opposed to the consensus theory of truth. Long-run scientific pragmatism was defended by Charles Sanders Peirce.
Self-knowledge is linked to the cognitive self in that its motives guide our search to gain greater clarity and assurance that our own self-concept is an accurate representation of our true self; [citation needed] for this reason the cognitive self is also referred to as the known self.
Moreover, the theory of logical syntax expounds a method with which one can talk about a language: it is a formal meta-theory about the pure forms of language. In the end, because Carnap argues that philosophy aims at the logical analysis of the language of science and thus is the logic of science, the theory of the logical syntax can be ...