Sentence examples for necessary notation from inspiring English sources

To state our main theorems, we introduce some necessary notation.

Let us first introduce some necessary notation and terminology.

Before stating our result, we need to recall some necessary notation and definitions.

Section 2 contains some necessary notation, definitions, and properties of fractional calculus.

Now we introduce necessary notation and lemmas, which will be used in the analysis of stability and convergence.

The paper is organized as follows: In Section 2, we collect the preliminary results and introduce the necessary notation.

Notations: Throughout this paper, some necessary notations are first introduced.

Section 2 contains some necessary notations, definitions and lemmas.

In Section 2, we introduce necessary notations and results.

In Section 2, we give some necessary notations and lemmas.

The next section contains the necessary notations and preliminary results.