Yeesh · Life — One Door

The Equivalence Engine

A framework-free companion to the Inference Engine. One coordinate grid — graticule, equator, tropics, the 66.6° polar circles, city pins, and the sun’s annual circuit — is drawn on a flat azimuthal-equidistant disk and on a 3D sphere at once, with a continuous morph between them so every line stays welded to the surface as it folds. The honest version of Claim A: it demonstrates metric equivalence — the disk and sphere are the same geometry drawn two ways — not flat-paper distance.

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