[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D.](https://indike.org/pramana/ins.science.ray-1902) › v2.c34.289 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c34.289 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c34.289 - **Language:** English ### [v2.c34.289](https://indike.org/pramana/ins.science.ray-1902.v2.c34.289) (1) Change by a spontaneous process, without external influence, including isomeric change (स्वाभाविक परिणाम). The Vedántists believe in spontaneous disintegration and reintegration. Action from without, impressed force \*ab extra\*, is not, \*pacé\* the Naiyāyikas, always a condition of change of state (whether of rest or of motion);—nor is it necessary that more than one substance should combine to generate another substance or variety of substance (\*e.g.\* the formation of curds from milk, of ice from water \*etc.\*) All this is directed against the Nyāya doctrine (\*Ārambhavāda\*). - [Previous: v2.c34.288](https://indike.org/pramana/ins.science.ray-1902.v2.c34.288) - [Next: v2.c34.290](https://indike.org/pramana/ins.science.ray-1902.v2.c34.290) - [Up: v2.c34](https://indike.org/pramana/ins.science.ray-1902.v2.c34) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v2.c34.289](https://indike.org/pramana/ins.science.ray-1902.v2.c34.289) · Pramāṇa