substructure

It is known as the substructure of B generated by X, and we find it by first adding to X all the elements cB where c are individual constants of K, and then closing off under the functions

First-order Model Theory Hodges, Wilfrid 2009

So the notion of substructure is sensitive to the choice of signature.

First-order Model Theory Hodges, Wilfrid 2009

The substructure was a fine building, 148 feet by 78 feet; the vaulting was, as described by Professor Willis, "of the earliest kind; constructed of light tufa, having no transverse ribs, and retaining the impressions of the rough, boarded centring upon which they had been formed."

The Cathedral Church of Canterbury [2nd ed.]. Hartley Withers 1908

The substructure is a square 114 yards in diameter and upon this building was probably a smaller, surmounted by a statue of Hadrian.

Fifty Years in the Gospel Ministry from 1864 to 1914. Twenty-seven Years in the Pastorate; Sixteen Years' Active Service as Chaplain in the U. S. Army; Seven Years Professor in Wilberforce University; Two Trips to Europe; A Trip in Mexico. Theophilus Gould 1866

The citadel the "Phacus," which is close to the city, stands in the marsh itself, projecting like an island, and is built on a huge substructure which is strong enough to carry a wall and prevent any damage from the infiltration from the water of the lagoon.

The History of Rome, Vol. VI 1905

"Well, a particular evolution - such as substructure involving more point-like particles inside ..."

Scientific Blogging News Account 2010

"Well, a particular evolution - such as substructure involving more point-like particles inside ..."

Scientific Blogging News Account 2010

In some sense, modern physics is already positing a two-level existence, insofar as it speaks of both an observable physical world that we live in every day, and a kind of "substructure" beneath that of "strings," "membranes," or pure space.

Serendip's Exchange - 2008

But, of course, written into the substructure of the show is the idea that humans just aren't up to the task of self-governing ... that the Doctor has to make decisions FOR them.

Humperdinck: "Now, if we only had a wheelbarrow..." rabid1st 2009

Polished granite panels are loose, the substructure is cracked, and water reportedly accumulates in depressions at the base of the parade deck.

Repairs considered for Iwo Jima memorial 2011