I reverted your sentence from the lead paragraph of scientific method. That concept really belongs in scientific law under covariance. It is also covered in variational principle in its most general sense, and in conservation law as a specific example. See also Lorentz transformation Ancheta Wis 18:15, 25 Feb 2005 (UTC)

Looks like you've lost control of this account too. Please stop posting your username on your user page.-gadfium 05:00, 26 Feb 2005 (UTC)

Your account will be renamed

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21:34, 19 March 2015 (UTC)

Renamed

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10:11, 22 April 2015 (UTC)