Science19th centuryGermanylow confidence

Felix Klein proposed the Erlangen program as an agenda for progress in mathematics.

Notes on verification

Well-documented historical fact corroborated by multiple independent, reliable sources including Wikipedia, Britannica, and nLab. [cascade flags: aggregator_dropped_primary_exists | tier=unverified indep_score=0.375 clusters=1 claim_tier=everyday] [harvest 2026-09-15: +4 source(s) on new hosts; tier unverified->silver indep=0.925 clusters=4] [kind-backfill 2026-09-15: kind=attributed eligibility=high]

Sources