- In
mathematical logic, a
tautology (from Gr****: ταυτολογία) is a
formula or ****ertion that is true in
every possible interpretation. An
example is "x=y...
- Look up
tautology in Wiktionary, the free dictionary.
Tautology may
refer to:
Tautology (language), a
redundant statement in
literature and
rhetoric Tautology...
- In
literary criticism and rhetoric, a
tautology is a
statement that
repeats an idea,
using near-synonymous morphemes,
words or phrases,
effectively "saying...
-
Shermer addresses the
tautology problem in his 1997 book, Why
People Believe Weird Things, in
which he
points out that
although tautologies are
sometimes the...
- "the man he said," or "vibrating with motion." It is a
manifestation of
tautology by
traditional rhetorical criteria and
might be
considered a
fault of...
- A
lapalissade is an
obvious truth—i.e. a
truism or
tautology—which
produces a
comical effect. It is
derived from the name
Jacques de la Palice, and the...
-
simultaneously have to be "outside" the
formal system in the
definition of
tautology. When Emil Post, in his 1921 "Introduction to a
General Theory of Elementary...
- In
propositional logic,
tautology is
either of two
commonly used
rules of replacement. The
rules are used to
eliminate redundancy in
disjunctions and...
- is no way of
changing it",
which is no
longer a
tautology: "Structuring the
sentiment as a
tautology allows it to
appear inescapable." At the same time...
-
permit a
translation between tautologies of
propositional logic and
equational theorems of
Boolean algebra.
Every tautology Φ of
propositional logic can...