The identity attaches an empty family of cells: 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 proved2Proved, and every prerequisite is fully proved too.

graph LR n0["The identity attaches an empty family of cells"]:::fully_proved n1["The presentation complex is an abstract two-dimensional CW complex"]:::fully_proved n0 --> n1 class n0 focus click n0 "../../../../../roadmap/fundamental-group/van-kampen/presentation-complex/index.html#empty-cell-attachment-constructor" "The identity attaches an empty family of cells — 1 item · 1 fully proved" click n1 "../../../../../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"