A point is one standard zero-cell: 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["An indexed cone attachment is a standard cell attachment"]:::fully_proved n1["A point is one standard zero-cell"]:::fully_proved n2["The presentation complex is an abstract two-dimensional CW complex"]:::fully_proved n0 --> n1 n1 --> n2 click n0 "../../../../../roadmap/fundamental-group/van-kampen/cell-attachment-support/index.html#indexed-basic-cell-attachment" "An indexed cone attachment is a standard cell attachment — 1 item · 1 fully proved" class n1 focus click n1 "../../../../../roadmap/fundamental-group/van-kampen/presentation-complex/index.html#point-zero-cell-attachment" "A point is one standard zero-cell — 1 item · 1 fully proved" click n2 "../../../../../roadmap/fundamental-group/van-kampen/presentation-complex/index.html#presentation-complex-cw-structure" "The presentation complex is an abstract two-dimensional CW complex — 1 item · 1 fully proved"