Disjunction - Stanford Encyclopedia of Philosophy
Mar 23, 2016 · 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 …
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, …
Disjunction - Stanford Encyclopedia of Philosophy
Mar 23, 2016 · 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 …
Disjunction - Stanford Encyclopedia of Philosophy
Notes to Disjunction 1. We might formalize this "generalized" version of exclusive disjunction as a prefix quantifier that can range over any number of formulae, and is true if and only if exactly one of the …
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 · For most modal natural deduction systems, the analogous results do not hold, and the equivalences have to be postulated specially. Again, is derivable from by use of the rules for the …
The Disjunctive Theory of Perception - Stanford Encyclopedia of …
Jul 10, 2009 · For in certain places he says that his Perception-Illusion disjunctions permit a description of what is seen in terms of how the thing looks, thereby allowing the following kind of Perception …
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, …
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 …
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 …