anthropic principle

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anthropic principle

n.
Any of various hypotheses in theoretical physics asserting that human existence and the ability to observe the universe are necessary rather than contingent facts about the universe and must be considered when interpreting or theoretically constraining fundamental physical laws.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

anthropic principle

n
(Astronomy) astronomy the cosmological theory that the presence of life in the universe limits the ways in which the very early universe could have evolved
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014