Disjunction And Existence Properties
In mathematical logic, the disjunction property is satisfied by a logic if whenever a sentence
is a theorem, then either is a theorem, or is a theorem.
The existence property or witness property is satisfied by a logic if whenever a sentence
is a theorem, then there is some term for which is a theorem.
Read more about Disjunction And Existence Properties: Background, Existence Property Implies Disjunction Property, Disjunction Property Implies Existence Property
Famous quotes containing the words existence and/or properties:
“As humans have a prior right to existence over dogs by virtue of being more highly evolved and having a superior consciousness, so women have a prior right to existence over men. The elimination of any male is, therefore, a righteous and good act, an act highly beneficial to women as well as an act of mercy.”
—Valerie Solanas (b. 1940)
“A drop of water has the properties of the sea, but cannot exhibit a storm. There is beauty of a concert, as well as of a flute; strength of a host, as well as of a hero.”
—Ralph Waldo Emerson (1803–1882)