/// <summary>
/// Or operation of two Zen List of bool.
/// </summary>
/// <param name="ma">list a.</param>
/// <param name="mb">list b.</param>
/// <returns>list of a or b.</returns>
public static Zen <IList <bool> > Or(this Zen <IList <bool> > ma, Zen <IList <bool> > mb)
{
var index = mb.Length();
var ret = ma.Select(_ => Language.Or(ma.At(index -= 1).Value(), mb.At(index).Value()));
return(ret);
}
/// <summary>
/// Not operation of one Zen List of bool.
/// </summary>
/// <param name="ma">list a.</param>
/// <returns>!a.</returns>
public static Zen <IList <bool> > Not(this Zen <IList <bool> > ma)
{
var ret = ma.Select(r => Language.Not(r));
return(ret);
}