Cartesian logic - Wikipedia

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Cartesian logic is based on the work of René Descartes (1596-1650).

Overview

Cartesian logic refers to the process of dealing with a problem or question through four steps^[1]:

* The positive alternative to what would happen if the result is positive.
* The positive alternative to what would happen if the result is negative.
* The negative alternative to what would happen if the result is positive.
* The negative alternative to what would happen if the result is negative.

Reference

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