user-1: Is 'impermanence' skillful means?
Wikipedia's definition of "Skillful means" says:

The implication [of skillful means] is that even if a technique, view, etc., is not ultimately "true" in the highest sense, it may still be an expedient practice to perform or view to hold; i.e., it may bring the practitioner closer to the true realization in a similar way.

And of Impermanance:

The doctrine asserts that all of conditioned existence, without
  exception, is "transient, evanescent, inconstant". All temporal
  things, whether material or mental, are compounded objects in a
  continuous change of condition, subject to decline and destruction.

I think that, for some Mahayana schools, everything is skillful means. So is the doctrine of impermanence "skillful means" too?
I am looking for an answer which:

Says yes or no (and explains why)
References a sastra or sutra (if there is one) which claims or implies this answer
Preferably, also, explains what (if any) bearing that may have to understanding any other doctrine: such as anatta; voidness; or the buddha-nature.


user11009: 
Yes you have practice Anicca, Dukkha and Anatta in skilful means. Basically this applies to all teaching of Buddha.
Reference:

http://www.accesstoinsight.org/tipitaka/mn/mn.022.than.html
http://www.accesstoinsight.org/lib/authors/thanissaro/pushinglimits.html

user43: Well in one sense impermanence is ultimately true. In the other sense though it's just a concept, an idea, used to make a point. The objective of the point is to preempt grasping for things as if they were permanent, and the purpose of non-grasping is prevention of suffering. But even prevention of suffering is merely one of many motives that leads a person to enlightenment, other motive for example being perfection or conceit. In this sense everything is just a skillful mean inasmuch as it pushes some people in the right direction. 

-1: <p>Is 'impermanence' skillful means?</p>

<p>Wikipedia's <a href="https://en.wikipedia.org/wiki/Upaya" rel="nofollow noreferrer">definition of "Skillful means"</a> says:</p>

<blockquote>
  <p>The implication [of skillful means] is that even if a technique, view, etc., is not ultimately "true" in the highest sense, it may still be an expedient practice to perform or view to hold; i.e., it may bring the practitioner closer to the true realization in a similar way.</p>
</blockquote>

<p>And of <a href="https://en.wikipedia.org/wiki/Impermanence" rel="nofollow noreferrer">Impermanance</a>:</p>

<blockquote>
  <p>The doctrine asserts that all of conditioned existence, without
  exception, is "transient, evanescent, inconstant". All temporal
  things, whether material or mental, are compounded objects in a
  continuous change of condition, subject to decline and destruction.</p>
</blockquote>

<p>I think that, for some Mahayana schools, everything is skillful means. So is the doctrine of impermanence "skillful means" too?</p>

<p>I am looking for an answer which:</p>

<ul>
<li>Says yes or no (and explains why)</li>
<li>References a sastra or sutra (if there is one) which claims or implies this answer</li>
<li>Preferably, also, explains what (if any) bearing that may have to understanding any other doctrine: such as anatta; voidness; or the buddha-nature.</li>
</ul>
 11009: <ul>
<li>Yes you have practice Anicca, Dukkha and Anatta in skilful means. Basically this applies to all teaching of Buddha.</li>
<li>Reference:</li>
</ul>

<p><a href="http://www.accesstoinsight.org/tipitaka/mn/mn.022.than.html" rel="nofollow noreferrer">http://www.accesstoinsight.org/tipitaka/mn/mn.022.than.html</a></p>

<p><a href="http://www.accesstoinsight.org/lib/authors/thanissaro/pushinglimits.html" rel="nofollow noreferrer">http://www.accesstoinsight.org/lib/authors/thanissaro/pushinglimits.html</a></p>
 43: <p>Well in one sense impermanence is ultimately true. In the other sense though it's just a concept, an idea, used to make a point. The objective of the point is to preempt grasping for things as if they were permanent, and the purpose of non-grasping is prevention of suffering. But even prevention of suffering is merely one of many motives that leads a person to enlightenment, other motive for example being perfection or conceit. In this sense everything is just a skillful mean inasmuch as it pushes some people in the right direction. </p>
