Declaration search

Search projects and Mathlib in one place.

Find source-pinned declarations outside Mathlib by name or constant. The same query runs through Loogle for genuine elaborated structural search over Mathlib.

Name"PFR_conjecture"ConstantSubmodule Mathlib shape_ * (_ ^ _)Conclusion|- tsum _ = _ * tsum _Non-linearReal.sqrt ?a * Real.sqrt ?a

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Therefore index

Therefore does not fake Lean elaboration with text matching. Name and constant filters work across the project corpus. Wildcards, metavariables, and conclusion filters require a compiled project-specific Loogle index. The Mathlib results below use that genuine engine today.

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