The Rhind Mathematical Papyrus reveals ancient Egyptian numerical thought.

Evidence

This object is the most famous mathematical papyrus to have survived from ancient Egypt, and the major source for our understanding of how the Egyptians thought about numbers. — Neil MacGregor, A History of the World in 100 Objects, 291

Categorization

• corroborated: 2 independent passages support this claim — Neil MacGregor, A History of the World in 100 Objects, 291
• XREF: connects to: Mathematics spans from before Pythagoras to beyond Einstein — G. H. Hardy, A Mathematician’s Apology, 154; Egyptian thought seeded Greek intellectual and scientific development — Cedric J. Robinson, Black Marxism_ The Making of the Black…, 437