An elementary mean of points x 1, …, x n ∈ I is the arithmetic mean 1 n ∑ i = 1 n x i ∈ I.
That such an embedding $j V\to M$ is elementary means that $j$ preserves truth, i.e., for every formula $\varphi x_11,\ldots,x_n)$ of the language of set theory, and every $a_1,\ldots,a_n$, the sentence $\varphi a_11,\ldots,a_n)$ holds in $V$ if and only if $\varphi (j(a_1),\ldots,j(a_n))$ holds in $M$.
"We do not have elementary means of hygiene.
'The elementary means of the struggle of the proletariat against the rule of the bourgeoisie is, first of all, the method of mass demonstrations.
Yet even as test scores carry greater stakes for students, schools and districts, testing experts say most states fail to use even this most elementary means to monitor for cheating.
There exist many elementary means.
To denote the elementary means with coefficients (alpha=beta=1/2), we will use the abbreviations (A a,b)), (H a,b)) and (G a,b)).
Beyond the aesthetics, changing a middle school into an elementary school meant changes large and small, like raising bathroom floors to accommodate smaller children and lowering paper towel dispensers.
In John Adams' day, that meant an elementary and high school education.
Especially, we give a new solution to the topological classification problem for linear control systems by means of an elementary analytic approach, which differs considerably from J.C. Willems' algebraic method developed in (Willems, 1980) [17].
