Complex sentence: One particularly important statute is the Constitution of the Republic of Singapore, which is the supreme law of Singapore--any law enacted by the Legislature after the commencement of the Constitution which is inconsistent with it is, to the extent of the inconsistency, void.
Split into simpler sentences: One particularly important statute is the Constitution of the Republic of Singapore, which is the supreme law of Singapore. Any law the Legislature enacts after the commencement of the Constitution that is inconsistent with it is, to the extent of the inconsistency, void.