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- Jun 2022
There is, of course, a certain connection between those elements and relevant logical concepts. It is also clear that the desire to arrive finally at logically connected concepts is the emotional basis of this rather vague play with the above-mentioned elements. But taken from a psychological viewpoint, this combinatory play seems to be the essential feature in productive thought — before there is any connection with logical construction in words or other kinds of signs which can be communicated to others.
==combinatory play seems to be the essential feature in productive thought==<br /> —Albert Einstein in a 1945 response to Jacques Hadamard's survey of famous scientists' mental processes which was published in An Essay on the Psychology of Invention in the Mathematical Field.
Hadamard's essay was inspired by Henri Poincaré's The Foundations of Science.