The word "tautology" is derived from the Ancient Greek words tauto (ταὐτό), meaning "the same," and logos (λόγος), meaning "word" or "speech."
In linguistics and logic, a tautology is a statement that is true in all possible interpretations. It is a statement that inherently holds true under any condition or circumstance. Tautologies are often characterized by the presence of logically equivalent terms or phrases within the statement, making their truth value a foregone conclusion.
The concept of tautology originated in ancient Greek philosophy, where it was used to describe statements that were so obviously true that they did not require any further proof or justification. Aristotle, in his work on logic, referred to such statements as axioms or self-evident truths.
In modern logic, tautologies are considered to be true based on their logical structure alone, regardless of their empirical content. They are typically expressed in symbolic notation, using propositional logic or predicate logic symbols such as "¬" (not), "∧" (and), and "∨" (or).
Tautologies play an important role in various fields, including:
Etymology The word logos comes from the Ancient Greek word λόγος lógos meani
Etymology The word tautology comes from the Greek word tautologos which is derived f
Etymology Greek Αλεξία Alexía Meaning Greek Defender Origin Alexi
Etymology The word analogous is derived from the Greek words ana meaning up and
Etymology The word analogue derives from the Greek word analogos which means propo
Etymology The word analogy comes from the Greek word analogia which is itself derive
Etymology Anthology derives from the Greek word anthología which is a compound noun
Etymology The word apologetic originates from the Greek word apologia which means a
Etymology From Middle English apologue from Old French apologue from Latin apologus
Etymology The word catalogue originates from the Greek word katálogos which means
Etymology Old English coil col Proto West Germanic koili Proto Germanic kuzilą Pro
Etymology The word colleague comes from the Middle French word collega which in tur
Etymology The study of the origin and history of words Meaning The analysis of the mea
Etymology The word college originates from the Latin word collegium meaning a group
Etymology Latin collegialis from collega meaning colleague legare meaning t
Etymology The word decalogue is derived from the Greek words deka δέκα meaning
Etymology The word delegate comes from the Latin verb delegare meaning to send out
Etymology Dialect comes from the Greek διάλεκτος dialektos meaning convers
Etymology and Meaning Dialogue originates from the Ancient Greek word διάλογος
Etymology Diligence comes from the Latin word diligentia which is derived from the ve
Etymology From Late Latin doxologia from Greek δοξολογία doxologia from δ
Etymology dys Greek root difficulty abnormality lexia Greek root word speech
Etymology From Late Latin eclēcticus from Ancient Greek eklektikos selective disce
Etymology From the Greek ekloge meaning a selection a choice Derived from ekle
Etymology The word elect comes from the Latin verb eligere meaning to choose sele
Etymology The word election comes from the Latin word electio which derives from th
Etymology The word epilogue comes from the Greek words epi meaning upon or after
Etymology The word homologous is derived from Greek homos ὁμός same logos
Etymology and Origin The word horology comes from the Greek words hōra ώρα me
The word ideologue comes from the French word idéologue The French word was coined i
Etymology Idio Greek distinct special lect Latin speech language Meanin
Etymology Latin intelligentia understanding knowledge wisdom From inter among
Etymology The word lectern comes from the Latin lectorium which means reading desk
Etymology The word lection comes from the Latin word lectio which means reading or
Etymology From Latin lector meaning reader or instructor Derived from the verb
Etymology The word lecture is derived from the Latin word lectura which means a rea
Etymology The word leech derives from the Middle English leeche which in turn com
Etymology The word legacy comes from the Latin word legare meaning to give or bequ
Etymology The term legal originates from the Latin word lex which means law Mean
Etymology From Latin legatus past participle of legare meaning to appoint as age
Etymology of Legend The word legend has an interesting etymological history Latin
Etymology Latin legibilis from legere to read Meaning Clear and easy to read or
Etymology The word legion is derived from the Latin word legio meaning a levy of so
Etymology The word legislator is derived from the Latin word legislator which is it
Etymology Latin legitimus from lex law agere to act Meaning In accordance
Etymology The word lesson is derived from the Old English word lesnung which means
Etymology Derived from the Greek words lexis word and eikon image or representat
Etymology Latin ligneus made of wood From Latin lignum wood timber eu
Etymology The word ligni is derived from the Latin word lignum which means wood
Etymology Logos Greek word ratio Arithmos Greek number Meaning Log
Etymology The word logic comes from the Greek word logike which means the art of re
Etymology The term logistic is derived from the Greek word logistikos which means
Etymology The word logo is derived from the Greek word logos which means word or
Etymology The word logogriph is derived from two Greek words logos λόγος w
Etymology The word logopoeia is derived from two Greek words logos λόγος m
Etymology The word logos comes from the Ancient Greek word λόγος lógos meani
Etymology Old French leial c 1175 Late Latin legalis lawful legitimate Latin
Etymology of Monologue The word monologue is derived from the Greek words monos mean
Etymology Late Latin neglectus meaning not gathered not selected Latin neclegere
Philology Etymology and Origin Derived from the Greek words philos friend love an
Etymology Latin privilegium Proto Indo European pr̥ḱ li s before the law Mea
Etymology Greek pro before logos discourse on suffix indicating a work
Etymology Prologue derives from the Ancient Greek words pró προ meaning bef
Etymology The word relegate originates from the Latin verb relegare which means to
Etymology Meaning Origin Abyss A deep dark and often mysteriou
Etymology The word syllogism comes from the Greek word συλλογισμός syllog
Etymology of Tautology The word tautology is derived from the Ancient Greek words tauto
Etymology The word trilogy originates from the Greek word τριλογία trilogia
Etymology Old English treowþ from Proto Germanic treuwĭþą meaning faithfulne
Etymology The word etymology comes from the Greek words etymon meaning true meaning
Etymology is the study of the history of words their origins and how their form and mean
Etymology Old English tîma time period hour West Germanic tîmon Proto Germanic
Etymology Latin repĕtitio noun Verb stem repět meaning to repeat go back o
Etymology Derived from the Proto Indo European root Dyeus meaning sky father or sh
Etymology The word shower has multiple etymological origins Old English scur mea
Etymology The word Dutch is derived from the Latin word Theodiscus which means of
Etymology and Origin The word zilch originated in the German language where it was fir
