Panrationalism (or comprehensive rationalism)[1] holds two premises true: The first problem that needs to be dealt with is: what is the rational criterion or authority to which they appeal?
Here the panrationalists diverge into two groups: Descartes is considered the founder of rationalism and gave the illustration cogito ergo sum as the paradigm to demonstrate what he believed.
The problem of both these appeals is that: In his The Critique of Pure Reason Kant sought to reconcile both appeals.
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