Proposition VI, paragraphs 8-11 and part of 12 (ends mid-sentence on fol. 77v); text on fol. 78v precedes text on fol. 77. Margin addition on fol. 78v marked for insertion on fol. 77 and is followed by margin addition on fol. 77. Two unpublished passages: paragraph on fol. 78 about purgatives and final sentence (crossed through) on fol. 77. Half-size sheets, perhaps from a notebook.