- In logic,
disjunction (also
known as
logical disjunction,
logical or,
logical addition, or
inclusive disjunction) is a
logical connective typically notated...
-
Exclusive or,
exclusive disjunction,
exclusive alternation,
logical non-equivalence, or
logical inequality is a
logical operator whose negation is the...
-
Disjunction introduction or
addition (also
called or introduction) is a rule of
inference of
propositional logic and
almost every other deduction system...
-
British mathematician. The
rules allow the
expression of
conjunctions and
disjunctions purely in
terms of each
other via negation. The
rules can be expressed...
- In
mathematical logic, the
disjunction and
existence properties are the "hallmarks" of
constructive theories such as
Heyting arithmetic and constructive...
- In
formal semantics, a
Hurford disjunction is a
disjunction in
which one of the
disjuncts entails the other. The
concept was
first identified by British...
- it ****erts that one
among a
number of
alternatives must be true. This
disjunction is
problematic because it
oversimplifies the
choice by
excluding viable...
- In
propositional logic,
disjunction elimination (sometimes
named proof by cases, case analysis, or or elimination) is the
valid argument form and rule...
- P ∨ Q {\displaystyle P\lor Q} .
Common connectives include negation,
disjunction, conjunction, implication, and equivalence. In
standard systems of classical...
- In logic, the term
conditional disjunction can
refer to:
conditioned disjunction, a
ternary logical connective introduced by
Alonzo Church a rule in classical...
