,n)}$ such that  0.  ${\ensuremath{\mathbb{t}}}$ is a fibration which is exact from degree $n$ on;  0.  ${\ensuremath{\mathbb{T}}}\cong {\ensuremath{\mathsf{Cosk}}}_{n-0}{\ensuremath{\mathbb{T}}}$;  0.  ${\ensuremath{\mathbb{T}}}$ is a resolution.  