85KiB, 680x680, f5753870a40ccef114a6cb88e7f48531[1].jpg View SameGoogleiqdbSauceNAO Anonymous Tue 28 Jan 12:53:25 2020 No.11338788 ViewReplyOriginalReport Quoted By: >exercises are listed at the end of each respective subsection instead of at the end of each chapter >"the proof is left to the reader as an exercise"