Choose a goal to begin
Every served item carries a live reason back to your target.
Illuminandum
START WITH A REAL TARGET
Your atlas is waiting for a destination.
Choose a proved theorem or declaration capstone. Repositories supply the formal source; subject regions help you explore, but neither is itself a goal.
ACTIVE GOAL
YOUR CURRENT TARGET
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Loading your route…
Only fresh, graded demonstrations move this bar.
TRIAL
THE TARGET, BEFORE THE LESSONS
CAPSTONE DEPENDENCY POSITION
See the route cross repository boundaries.
Learning edges explain what to study first. Repository tags and direct module imports show where the formal material actually lives.
YOUR GUIDED ROUTE
Chapters compiled from the dependency graph
YOUR WONDERS
Choose where the map leads.
Goals and their linked evidence are stored in your account. One goal can be active at a time.
0ACTIVE GOALS
0EVIDENCE ENTRIES
—INITIAL ESTIMATE
27CURATED LANDMARKS
THE CURATED ATLAS
Formalized mathematics
27 landmarks across mathlib regions and connected Lean projects
↔ Drag to roam · scroll to zoom · select any landmark
PROJECT CATALOG
Projects worth walking toward.
Curated Lean formalizations and AI-math announcements, kept separate by evidence type and linked to primary sources.
Curated catalog
Provenance is part of the interface.“Lean-built” means a public formal artifact is linked. “Announcement” describes a claim or research update and does not imply that every headline has a public certificate.
FIELD JOURNAL
Your standing learner state
Facet coverage and evidence are permanent account data. Certifications use a 60-day freshness window; old work stays in the ledger but gently re-fogs.
EVIDENCE LEDGER
TACTICS
Practice that climbs your route.
The route sortie below opens your next unsettled concept and its graded ladder. Free practice remains available for kernel-only warmups.
FREE KERNEL WARMUP
Lean core · natural numbers live goal state · kernel graded