Mathematics for much of human history was discrete - it had to be connected to something tangible which you can see, touch or feel. Negative numbers first arose in China, subsequently the use numerical operations on negative numbers and the conceptualization and use of zero arose in India. Spiritual concepts within dharmic philosophies such as Buddhism helped lead to these ideas.
Fun fact, for a long time in history minus (-1) did not exist
Zero is also a relatively new invention
Mathematics for much of human history was discrete - it had to be connected to something tangible which you can see, touch or feel. Negative numbers first arose in China, subsequently the use numerical operations on negative numbers and the conceptualization and use of zero arose in India. Spiritual concepts within dharmic philosophies such as Buddhism helped lead to these ideas.