The instrumentalist view is carried by the famous quote of David Mermin, "Shut up and calculate", often misattributed to Richard Feynman.
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Some physicists challenge the likelihood of determinism on the grounds that certain interpretations of quantum mechanics stipulate that the universe is fundamentally indeterministic, such as the Copenhagen interpretation; whereas other interpretations are deterministic, for example, the De Broglie-Bohm Theory and the many-worlds interpretation.