Sahl ibn Bishr
Definition
Sahl ibn Bishr was an early medieval astrologer represented through the collected Works of Sahl and Masha'allah and source material on questions and elections.
Life and context
His writings belong to the Arabic astrological tradition that later circulated in Latin translation and informed medieval western practice.
Work and ideas
The reviewed material includes electional organization, question scope, reception and perfection, interference conditions, and planetary-condition context.
Scope and limitations
The source reference is collection-level. Astrotechne keeps Sahl-specific passages separate from Masha'allah material and later adaptations.
Source texts
Documented rules
3 documented rules
Collection of light means two principals connect to a common, slower recipient; Sahl interprets the collector as a possible judge, arbitrator or helper. The collector's required place or witnessing of the matter's place, and the Ascendant/matter rulers, remain unestablished. Lilly's reception branch is separate.
Prohibition means an intervening connection prevents the principals' intended perfection; its general meaning is interruption of the attempted union. The retained 6-degree detector has narrower coverage than Lilly's p.111 example. Its subtype and constant-speed ordering are normalized estimates; a matter's failure is not established.
Translation of light means an intermediary carries a departing planet's nature to another connection, giving the general meaning of mediation between the principals. Source-specific planetary orbs and the roles of parties are not established by the generic contact test.