With the notation of questions 23 and 24, show that if $y \in \operatorname{Ext}(K)$ then $$h \in \operatorname{Ker}(M) \text{ and } I_0(y) \subset I_0(h) \Rightarrow h = 0.$$
With the notation of questions 23 and 24, show that if $y \in \operatorname{Ext}(K)$ then
$$h \in \operatorname{Ker}(M) \text{ and } I_0(y) \subset I_0(h) \Rightarrow h = 0.$$