Before revision: Ibn Sina argued "general and universal questions came first and led to experimental work" whereas Al-Biruni argued that "universals came out of practical, experimental work" and "theories are formulated after discoveries"; Al-Biruni 's further emphasized repeated experiments, in order to minimize systematic errors and observational bias.
After revision: Ibn Sina argued "general and universal questions came first and led to experimental work" whereas Al-Biruni argued that "universals came out of practical, experimental work" and "theories are formulated after discoveries"; Al-Biruni further emphasized repeated experiments, in order to minimize systematic errors and observational bias.