This means that physical laws may take the form of scalar equations (which are frame independent), equations that are based on, or equations that are based on higher rank tensors, which can be thought of as being built up from.
Physical laws may take the form of scalar equations (which are frame independent). Physical laws equations. Physical laws equations. These equations are based on higher rank tensors. These equations are based on. This means this. Higher rank tensors can be thought of as being built up from.