Mathematics as Embodied Cognition: The Equation "M ≡ P + N"

We are accustomed to thinking of mathematics as something ethereal, floating in a world of pure ideas. But what if arithmetic and geometry are merely a projection of our body and its struggle with Earth's gravity? This article reveals an unexpected thesis: mathematics literally equals the physics of gravity plus the work of our vestibular apparatus. Discover how the sensation of up and down gave rise to the "straight line," and the experience of throwing a stone gave rise to the concept of "number."