وطئ جارية ابنه لا يحد، وإن قال: علمت أنها حرام
In the premodern example involving a father and a slave woman owned by his son, the cited Hanafi doctrine does not impose the fixed penalty even if the father says he knew the act was unlawful.
The explanation is shubhat al-milk, a legally recognized appearance of entitlement. The cited “You and your property belong to your father” is not treated here as an ordinary transfer of all the son’s property; it is invoked as the particular basis of legal doubt in the historical discussion.
Methodological point: the actor’s admission of knowledge does not by itself remove a legal doubt thought to attach to the subject. This is an historical jurisprudential illustration, not present-day conduct guidance.