Is the marriage of an insane woman valid when she is one whom a sane woman could not be legally compelled to marry, and her guardian is her father or his executor?

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The marriage of such a woman is permissible by her guardian (father or executor). This aligns with the apparent view of Al-Khiraqi and is the position of Al-Shafi'i and Abu Hanifa. The reasoning is based on the fact that the father has the right to marry off a mentally deficient person, and a woman falls under this category first. The primary authority (right of compulsion) is negated for a sane woman due to her personal judgment, experience, and ability to act directly, which is absent in this case.