[texhax] problem with align environment
Hartmut Henkel
hartmut_henkel at gmx.de
Wed Feb 18 00:17:50 CET 2009
On Wed, 18 Feb 2009, Don Gingrich wrote:
> Trace the operations of the following example, and make sure that you
> can relate each operation to the rules above.
>
> \begin{align*} % [482]
> Z &= \overline{(\overline{A}.\overline{B} + C)} + (B.C) \\
> &= (\overline{\overline{A}.\overline{B}}.\overline{C}) + B.C \\
> &= (\overline{\overline{A}} + \overline{\overline{B}}).$\overline{C} + BC \\
in the line above there is a $-sign that doesn't belong there.
> &= (A + B).\overline{C} + B.C \\
> &= A.\overline{C} + B.\overline{C} + B.C \\
> &= A.\overline{C} + B.(\overline{C} + C)\\
> &= A.\overline{C} + B \\
> \end{align*} % [490 ]
Regards, Hartmut
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