</mo>
                                <mi mathvariant="italic">s</mi>
                            </mrow>
                        </math>,
                        then it is as if
                        <math overflow="scroll">

                            <mrow>
                                <mi mathvariant="italic">a</mi>
                                <mo>=</mo>
                                <mi mathvariant="italic">s</mi>
                            </mrow>
                        </math>).
      