Disjunction (Stanford Encyclopedia of Philosophy)
Mar 23, 2016 · In logic, disjunction is a binary connective (\ (\vee\)) classically interpreted as a truth function the output of which is true if at least one of the input sentences (disjuncts) is true, and false …
Disjunction - Stanford Encyclopedia of Philosophy
In logic, disjunction is a binary connective (∨ ∨) classically interpreted as a truth function the output of which is true if at least one of the input sentences (disjuncts) is true, and false otherwise. Its …
Disjunction - Stanford Encyclopedia of Philosophy
Jan 6, 2001 · Disjunction is a binary truth-function, the output of which is a sentence true if at least one of the input sentences (disjuncts) is true, and false otherwise. Disjunction, together with negation, …
The Turn to Heyting’s Formalized Logic and Arithmetic
The Turn to Heyting’s Formalized Logic and Arithmetic 1. Some early results Intuitionistic propositional logic is not a finitely valued logic. Gödel (1932) showed that Heyting’s system for intuitionistic …
Natural Deduction Systems in Logic - Stanford Encyclopedia of …
Oct 29, 2021 · ‘Natural deduction’ also designates the type of reasoning that these logical systems embody, and it is the intuition of very many writers on the notion of meaning—meaning generally, but …
Intuitionistic Logic - Stanford Encyclopedia of Philosophy
Sep 1, 1999 · Intuitionistic logic encompasses the general principles of logical reasoning which have been abstracted by logicians from intuitionistic mathematics, as developed by L. E. J. Brouwer …
Causal Theories of Mental Content - Stanford Encyclopedia of Philosophy
Feb 4, 2010 · Because there appears always to be this option of making the content of a term some disjunction of items, the problem has been called “the disjunction problem”. [6] As was noted above, …
Classical Logic (Stanford Encyclopedia of Philosophy)
Sep 16, 2000 · The following sections provide the basics of a typical logic, sometimes called “classical elementary logic” or “classical first-order logic”. Section 2 develops a formal language, with a …
Propositional Logic - Stanford Encyclopedia of Philosophy
May 18, 2023 · Propositional logic is the study of the meanings of, and the inferential relationships that hold among, sentences based on the role that a specific class of logical operators called the …
The Logic of Conditionals - Stanford Encyclopedia of Philosophy
Jul 3, 2021 · A related one is that it makes the conditional interdefinable with Boolean negation, disjunction, and conjunction. A third, among the driving motivations for Frege, Russell and …