The strip-enlarged cell-attachment space: 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 proved5Proved, and every prerequisite is fully proved too.

graph LR n0("An indexed family of cones has a two-set open cover"):::fully_proved n1["The strip-enlarged cell-attachment space"]:::fully_proved n2["The strip enlargement retracts onto the attached space"]:::fully_proved n3("Hatcher's binary cover of the strip enlargement"):::fully_proved n4("An open-cover model for attached cells"):::fully_proved n2 -.-> n4 n3 -.-> n4 n1 --> n4 n1 --> n2 n1 --> n3 n0 --> n1 click n0 "../../../../../../roadmap/fundamental-group/van-kampen/cell-attachment-support/index.html#indexed-cone-open-cover" "An indexed family of cones has a two-set open cover — 1 item · 1 fully proved" class n1 focus click n1 "../../../../../../roadmap/fundamental-group/van-kampen/cell-attachment-support/auxiliary/index.html#auxiliary-cell-attachment-space" "The strip-enlarged cell-attachment space — 1 item · 1 fully proved" click n2 "../../../../../../roadmap/fundamental-group/van-kampen/cell-attachment-support/auxiliary/index.html#auxiliary-attachment-retract" "The strip enlargement retracts onto the attached space — 1 item · 1 fully proved" click n3 "../../../../../../roadmap/fundamental-group/van-kampen/cell-attachment-support/auxiliary/index.html#auxiliary-cell-attachment-open-cover" "Hatcher's binary cover of the strip enlargement — 1 item · 1 fully proved" click n4 "../../../../../../roadmap/fundamental-group/van-kampen/index.html#cell-attachment-cover-model" "An open-cover model for attached cells — 1 item · 1 fully proved"