The importance here is that Muhammad ruled that if a later Surah contradicted a previous Surah, then the most recent and newer Surah was the true word of Allah.
क्यान्डी क्रसमा कहिलेकाहीँ हाम्रो कदमले परिणाम निर्धारण पनि गर्दो हो, तर वास्तवमा यस्तो हुँदैन।