HUNTERTUTORING

Topology and continuity

Topology of R: open and closed sets, compactness, and the Heine–Borel theorem

Real analysis · Theoretical / proof-based

Topic

Topology of R: open and closed sets, compactness, and the Heine–Borel theorem

Practice by unit: Topology and continuity

Undergraduate Real Analysis — scope drawn from open analysis notes (e.g. Abbott-style / LibreTexts real analysis sequences) and typical US intro real analysis syllabi.