Logical Truth
Logical truth refers to a proposition that is universally valid and true in all possible situations, purely by virtue of its logical structure. These truths are not dependent on any empirical data or factual circumstances but are necessarily valid in any context where logic applies.
One classic example of a logical truth is the law of identity: “A is A.” Another is the statement, “If it is raining, then it is raining.” These truths are not contingent upon the real world but are true simply because of their form. Logical truths are central in disciplines like mathematics, computer science, and philosophical logic.
They are contrasted with contingent truths, which may be true in some worlds or scenarios but not in others. Logical truths are tautological, meaning their truth can be determined just by analyzing the meanings of their components.
Philosophers like Frege, Russell, and Wittgenstein explored the role of logical truth in the structure of language and knowledge. Logical truths help maintain consistency and coherence in reasoning and form the backbone of deductive arguments.
In sum, logical truths are essential for establishing universally accepted principles and ensuring the validity of logical systems and philosophical arguments.