Blood that leaves through the opening of the male organ is
- טמא because it emerged from a טמא place.
- טהור.
- Machlokes A&B.
- איבעיא דלא איפשטא.
- Worse than bleeding from the mouth.
A שרץ which dried up but its שלד is intact:
- The Mishnah (54b) states explicitly that a dry שרץ is טהור.
- It is only טמא if it was burned.
- It is טמא.
- Machlokes C&A.
- בעיא דלא איפשטא.
A כתם that was found on a חלוק:
- Is מטמא למפרע until the last time she checked her clothing.
- If it is moist, it is מטמא only from the time that it is possible it could still be moist.
- Is מטמא למפרע until the last laundry.
- Machlokes A,B,&C.
- כתמים are דרבנן so they are not מטמא למפרע.
If clothing is laundered:
- There is a חזקה that laundering removes any כתם that was there.
- There is a חזקה that the owner checks the clothing for a כתם.
- A&B is איבעיא דלא איפשטא.
- Laundering removes even a כתם in a hem.
- Machlokes A&B.
The people in רקם are:
- idol worshippers.
- expert in הלכות נדה.
- כותים.
- גרים not knowledgeable in הלכה.
- Machlokes A&D.
The כותים are believed
- To say where the lines are above a grave which indicate where there is טומאת אהל.
- Even though they transgress themselves, they do not make others transgress.
- To say in which field a grave became lost.
- To say that the woman's Nidah room is טהור.
- To say what tree overhangs a cemetery.