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:
“An “unemployed” existence is a worse negation of life than death itself.”
—José Ortega Y Gasset (1883–1955)
“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)