Dear members
When talking homeopathy I am primarily basing myself on Hahnemann's Organon 6th ed. and the chronic disease second ed.
Kent even though proclaiming to follow hahnemannian principles deviated in his views repeatedly from the organon.
I don't really get the second question.
Anyway -- there is an article about the remedy relationships which gives more details on the matter on my website.

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Hans Weitbrecht
Consultant Homeopath