existence proof

existence proof

[ig′zis·təns ‚prüf]
(mathematics)
An argument that establishes the truth of an existence theorem.
References in periodicals archive ?
Still, he points out, "Biology is the existence proof that it is possible.
But now that my own country, brought in time after time for questioning about its own crimes, profound and beyond compare, has delivered yet another submarine to Israel, (in what is purely a business transaction, though glibly declared an act of reparation) whose speciality consists in its ability to direct nuclear warheads toward an area in which not a single atom bomb has yet been proved to exist, its feared existence proof enough, I'll say what must be said.
2), in view of applying it to the existence proof for equation (1.
We recall this fixed point formulation in Section 2 before giving, in Section 3, an elementary and analytical existence proof for the fixed point of Mironescu-Panaitopol's operator, as well as a method of approximation.
This work, then, is a compelling existence proof that numerical understanding comprises a built-in system of unlearned knowledge," Wynn says.
However, rather than entailing the metaphysical impossibility of time travel, the seeming conceptual impossibility of time travel might instead serve as a further existence proof of the weakness of conceptual analysis as a tool for understanding the physical nature of our world.
Finally, an encouraging existence proof is offered demonstrating that it is possible to intentionally enhance the capacity of local school districts.
At least she's an economist interested in the real world, not in some silly mathematical existence proof.
One of these experiments, conducted more than fifty years ago, was inspired by his second great accomplishment: the definition and existence proof for Nash equilibrium.
Two recent developments show that the solution is now within our grasp: an existence proof of novice programming, and faster computers.
If God doesn't exist, clearly no sound existence proof can be produced (pace the philosopher alluded to at the beginning of this review).