pure reason

American  

noun

Kantianism.

1. reason based on a priori principles and providing a unifying ground for the perception of the phenomenal world.

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Example Sentences

And that is the pure reason I am here, because I need to say who I am.

From Los Angeles Times

He pored over the pages, as if he were a philosophy student attempting to understand Immanuel Kant’s Critique of Pure Reason.

From Literature

“Critique of Pure Reason,” 1781 edition, Pages 341 to 405 of the German text, especially 384, discusses at great length the state of the soul in the life of a human being, the soul in and before the birth of that being, and the soul in and after that being’s death.

From Washington Post

So he was left to follow in the mental footsteps of the Ancients, using pure reason and imagination to try to come up with an explanation for the nature of the cosmos.

From Literature

Before his ascension back to the heavens, he talks about space as a paradise of pure reason, ruled over by impassive robots unhappy about Earth’s nuclear weapons.

From Slate