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[[File:Camels in Merzouga Desert.jpg|thumb|upright=1.5|17 indivisible camels]] ...e animals (17 camels, 17 horses, 17 elephants, etc.) which must be divided in some stated proportion among a number of beneficiaries. It is a common exam ...

...formula <math> \exists x P(x)</math> expresses that there exists something in the domain which satisfies that property. A formula where a quantifier take ...[[negation]]. They can also be used to define more complex quantifiers, as in the formula <math> \neg \exists x P(x)</math> which expresses that nothing ...

[[Radio wave]]s were first identified in German physicist [[Heinrich Hertz]]'s 1887 series of experiments to prove J ...and were not used for communication but instead as laboratory instruments in scientific experiments and engineering demonstrations. ...

...47.jpg|alt=|thumb|[[Leonardo da Vinci|Leonardo]] wrote aerodynamic studies in a notebook eventually titled <nowiki>''</nowiki>[[Codex on the Flight of Bi ...reospecific Polymerization: A revolution in polymer synthesis has occurred in the last decade. |journal=Science |date=14 August 1964 |volume=145 |issue=3 ...