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...

of the possible results of the logical operation that the table represents (for example, A XOR B). Each row of the truth table contains one possible configuration...

logic. Formal logic is the study of deductively valid inferences or logical truths. It examines how conclusions follow from premises based on the structure...

logic and mathematics, a truth value, sometimes called a logical value, is a value indicating the relation of a proposition to truth, which in classical logic...

[better source needed] In formal languages, truth functions are represented by unambiguous symbols. This allows logical statements to not be understood in an...

study of the laws of thought, correct reasoning, valid inference, or logical truth. It is a formal science that investigates how conclusions follow from...

( ∧ {\displaystyle \wedge } ) is the truth-functional operator of conjunction or logical conjunction. The logical connective of this operator is typically...

disjunction, also known as logical disjunction or logical or or logical addition or inclusive disjunction, is a logical connective typically notated...

is meant to provide accounts of the nature of logical consequence and the nature of logical truth. Logical consequence is necessary and formal, by way of...

variables connected by logical connectives, built up in such a way that the truth of the overall formula can be deduced from the truth or falsity of each...