Chapter: The Fundamental Denominators of Inheritance Cases
The prescribed shares are six: one-half, one-quarter, one-eighth, two-thirds, one-third, and one-sixth. The fundamental denominators are seven, …
His statement, “The prescribed shares are six,” means that the fixed shares are six.
His statement, “one-half, one-quarter, one-eighth, two-thirds, one-third, and one-sixth”: there are no others besides these. That is, these are the six shares by which Allah, Most High, has determined the portions of the heirs. The evidence is as follows:
Regarding one-half, Allah, Most High, says: “And for you is half of what your wives leave.” Regarding one-quarter: “But if they have a child, then for you is one-quarter of what they leave.” Regarding one-eighth: “But if you have a child, then for them is one-eighth of what you leave.” Regarding two-thirds: “But if there are only daughters, two or more, then for them is two-thirds of what he leaves.” Regarding one-third: “But if he has no child and his parents inherit from him, then for his mother is one-third.” Regarding one-sixth: “But if he has siblings, then for his mother is one-sixth.”
We have previously encountered one-third of the remainder in the chapter on the grandfather and siblings, and in the two Umariyyah cases. As for the two Umariyyah cases, it is a sound principle, because it is from the sunnah of Umar, may Allah be pleased with him. As for the chapter on the grandfather and siblings, it is an unsound principle, because there is no evidence for it in the Quran, the sunnah, or scholarly consensus.
His statement, “The fundamental denominators are seven,” means the fundamental denominators of inheritance cases, for the prescribed shares are not the same as the fundamental denominators of cases. The prescribed shares are the fixed portions assigned to the heirs, whereas the cases are the bases by which the inheritance is correctly calculated. Thus, the fundamental denominators are seven: two, three, four, six, eight, twelve, and twenty-four. These are the fundamental denominators of