Complement Clause
A complement clause functions as a noun, completing the meaning of a…
Cleft Sentence
A cleft sentence is a complex sentence structure used for emphasis. It…
Active Voice
Active voice emphasizes the subject performing the action. It creates clear, direct,…
Statement: The Building Block of Logical Discourse
A statement is a declarative sentence that asserts a fact, capable of…
Sentence Letters in Propositional Logic
Sentence letters, also known as propositional variables, are fundamental symbols in propositional…
Satisfaction in Model Theory
Satisfaction in model theory describes the relationship between a structure and a…
Ramsey Sentence
The Ramsey sentence expresses a theory's empirical content by quantifying over its…
Understanding Propositions in Logic and Philosophy
A proposition is a declarative statement that can be true or false.…
Liar Sentence
A liar sentence asserts its own falsity, like 'This sentence is false.'…
Henkin Sentence
A Henkin sentence is a self-referential statement that asserts its own provability…