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The English word truth is derived from Old English tríewþ, tréowþ, trýwþ, Middle English trewþe, cognate to Old High German triuwida, Old Norse tryggð.Like troth, it is a -th nominalisation of the adjective true (Old English tréowe).
Alethiology (or alethology, "the study of aletheia") literally means the study of truth, but can more accurately be translated as the study of the nature of truth. [ 1 ] History
Aletheia or Alethia (/ æ l ɪ ˈ θ aɪ. ə /; [1] Ancient Greek: ἀλήθεια) is truth or disclosure in philosophy.Originating in Ancient Greek philosophy, the term was explicitly used for the first time in the history of philosophy by Parmenides in his poem On Nature, in which he contrasts it with doxa (opinion).
First-hand observation determines the truth or falsity of a given statement. Naïve Realism is an insufficient criterion of truth. A host of natural phenomena are demonstrably true, but not observable by the unaided sense. For example, Naïve Realism would deny the existence of sounds beyond the range of human hearing and the existence of x ...
Epistemology is the branch of philosophy that examines the nature, origin, and limits of knowledge.Also called theory of knowledge, it explores different types of knowledge, such as propositional knowledge about facts, practical knowledge in the form of skills, and knowledge by acquaintance as a familiarity through experience.
Truth conditions of a sentence do not necessarily reflect current reality. They are merely the conditions under which the statement would be true. [1] More formally, a truth condition makes for the truth of a sentence in an inductive definition of truth (for details, see the semantic theory of truth).
Logical truth is one of the most fundamental concepts in logic. Broadly speaking, a logical truth is a statement which is true regardless of the truth or falsity of its constituent propositions . In other words, a logical truth is a statement which is not only true, but one which is true under all interpretations of its logical components ...
Tarski, in "On the Concept of Truth in Formal Languages" (1935), attempted to formulate a new theory of truth in order to resolve the liar paradox. In the course of this he made several metamathematical discoveries, most notably Tarski's undefinability theorem using the same formal technique Kurt Gödel used in his incompleteness theorems .