[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.c35.82 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c35.82 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c35.82 - **Language:** English ### [v2.c35.82](https://indike.org/pramana/ins.science.ray-1902.v2.c35.82) The Nyáya then proceeds to show how an Upádhi is established, or how disproved by observation :— तत्र वह्नेः अनाद्रेन्धनस्य विना धूमम् अयोगोलकादौ दर्शनात् आर्देन्धनोपाधिः अस्य धूमेन सम्बन्धः न तु स्वाभाविक इति निश्चीयते। धूमविशेषस्य तु विना वह्निम् अनुपलब्धात्, उपाधिभेदस्य च अग्रहणमानस्य कल्पनायां प्रमाणाभावात्, विशेषस्मृत्युपेत्तस्य च संशयस्य अनुपलब्धपूर्वे अनुत्पादात्, उत्पादे च अतिप्रसङ्गात् प्रेक्षावत् प्रवृत्तुच्छेदात्, स्वाभाविकः सम्बन्धः अवधार्यते। - [Previous: v2.c35.81](https://indike.org/pramana/ins.science.ray-1902.v2.c35.81) - [Next: v2.c35.83](https://indike.org/pramana/ins.science.ray-1902.v2.c35.83) - [Up: v2.c35](https://indike.org/pramana/ins.science.ray-1902.v2.c35) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v2.c35.82](https://indike.org/pramana/ins.science.ray-1902.v2.c35.82) · Pramāṇa