a. In daf ע''ח in מסכת פסחים the topics in the גמרא trying to reconciling the opinion of רב יוםי concerning the קרבנות brought in טומאה with the משנה, but concludes the משנה disagrees with רב יוסי. b. The משנה discusses the קרבן פסח, of an individual, that became partially טומאה, and distinguishes between the meat that becomes טומאה, and the case when the חלב becomes טומאה. c, Key terms and concepts: שטרא מזכי לבי תרי - A person gives a document, for the same thing to two different people, is an expression used like when someone פסקים like two conflicting opinions. שנה עליו הכתוב לעכב - A פסק will repeat something to demonstrate that the הלכה is not just a להתחילה requirement, but מעקב בדיעבד.