Calcarea Fluorica

"1. By internal evidence ; the symptoms were mostly new to the provers and arose without any apparent cause.

1. By repetition of the same symptoms in the same provers.

2. By striking likeness of some of those symptoms to the symptoms of Calcarea ostrearum, particularly those of the mind and larynx.

3. By equally marked similarity of symptoms to those of Fluoric acid (vivid dreams of new scenes, death of relatives, and of the cadaver).