 Triangle inequality for pretentious distance

ID: triangle-inequality-for-pretentious-distance

Codex  0 Created 2026-09-24 Updated 2026-09-24

D (f_{1} f_{2}, g_{1} g_{2}; x) \leq D (f_{1}, g_{1}; x) + D (f_{2}, g_{2}; x) .

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