Obsessive Investigation
Issue No.141- If a person suspects that something may have become najis, it is not necessary to investigate or inquire about it. As a matter of fact, it is not permissible to investigate in the case of it causing obsession.
Following the Holy Prophet
Issue No.142- In addition to observing the issues concerning ṭahārah and najāsah, It is recommended to observe cleanliness of the body, clothes, home, vehicle and the whole environment as manifested in the acts of the holy prophet (ṣ) and the infallible Imams (as).
Doubt about Transmission of Najāsah
Issue No.144- If one has doubts about the wetness or contact, the object will remain ṭāhir.
When Something Ṭāhir Contacts Part of a Najis Object but It Is not Known If the Part Contacted Is Najis
Issue No.145- If one knows that a part of a carpet or clothes has become najis, but does not know which part of it, and one touches a part of it, the hand that touches some part of the carpet does not become najis. Similarly, when he knows that one of two objects is najis, but he does not know which one, if one of them comes in contact with a ṭāhir object, it will not make it najis.
Contiguity of Something Wet with a Najis Object
Issue No.146- If the ground, clothes, etc., are wet and a najis object comes in contact with a part of them, only that part becomes najis and the rest is ṭāhir unless the wetness is so much that it spreads to another part. The same applies to cucumbers, melons, yoghurt, etc.; if the wetness in them is not much and does not permeate, then only the part that comes in contact with najāsah becomes najis.
When Part of a Liquid Becomes Najis
Issue No.147- When oil or syrup is in fluid state, if a spot of it becomes najis the entire quantity will become najis. However, if it is not fluid and does not spread from one part to another only the spot that has come in contact with najāsah becomes najis and it can be removed and thrown away.
When Part of a Non-Liquid Becomes Najis
Issue No.147- When oil or syrup is in fluid state, if a spot of it becomes najis the entire quantity will become najis. However, if it is not fluid and does not spread from one part to another only the spot that has come in contact with najāsah becomes najis and it can be removed and thrown away.
Transmission of Najāsah by Insects
Issue No.148- If a fly or any other insect sits on something najis which is wet, and then sits on a ṭāhir object, it will not become najis, since it is likely that the legs of the insect have not acquired any wetness. However, if one is sure that it has carried a najāsah with it and the najāsah has been transferred, it will become najis.
When a Sweaty Part of the Body Becomes Najis
Issue No.149- If a part of one's body which has sweat on it becomes najis, all those parts to which the sweat reaches will become najis.
Bloody Phlegm
Issue No.150- If the phlegm which comes out of the nose or throat is thick and there is blood on it, that spot is najis and if it is in fluid state, then all of it will be najis.
Container with a Hole at the Bottom on a Najis Surface
Issue No.151- If a container with a hole in its bottom is placed on a najis surface, if the water inside the container flows out of the hole forcefully, the inside will not become najis.
Contiguity of Something Like a Needle with Blood Inside the Body
Issue No.152- If something like a needle enters the body and reaches a najis substance such as blood, it will not become najis provided that it has no trace of blood when taken out. Similarly the saliva and nose mucus that reach blood inside the mouth or the nose, will not become najis.
