The 2-skeleton determines the fundamental group: local context

Project map · Chapter map · Full theorem DAG · Open textbook statement

This local map shows one dependency hop in either direction. The highlighted item is the current focus. What the colours mean

fully proved3Proved, and every prerequisite is fully proved too.

graph LR n0("Compact subsets lie in a bounded skeleton"):::fully_proved n1["Finite skeleta above dimension two have the same fundamental group"]:::fully_proved n2["The 2-skeleton determines the fundamental group"]:::fully_proved n0 -.-> n2 n1 -.-> n2 click n0 "../../../../roadmap/appendix/classical-cw-bridge/index.html#compact-subset-bounded-skeleton" "Compact subsets lie in a bounded skeleton — 1 item · 1 fully proved" click n1 "../../../../roadmap/fundamental-group/van-kampen/index.html#finite-skeleton-fundamental-group" "Finite skeleta above dimension two have the same fundamental group — 1 item · 1 fully proved" class n2 focus click n2 "../../../../roadmap/fundamental-group/van-kampen/index.html#two-skeleton-fundamental-group" "The 2-skeleton determines the fundamental group — 1 item · 1 fully proved"