Assertion: matrix's entry | /r/HasProperty | rational
Facets:
Source sentences:
text: The 2×2 identity matrix is another example of a matrix with a square root whose entries are rational, yet non-integral.
text: While the square root of a nonnegative integer is either again an integer or an irrational number, in contrast an integer matrix can have a square root whose entries are rational, yet non-integral.