| http://www.w3.org/ns/prov#value | - In mechanics, Ibn S??n?? developed an elaborate theory of motion, in which he made a distinction between the inclination and force of a projectile, and concluded that motion was a result of an inclination (mayl) transferred to the projectile by the thrower, and that projectile motion in a vacuum would not cease.[23] He viewed inclination as a permanent force whose effect is dissipated by external
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