Assertion: square's number | /r/HasAspect | two square roots
Facets:
Source sentences:
text: Every positive number x has two square roots: √x, which is positive, and −√x, which is negative.
text: Every complex number except 0 has 2 square roots.
text: A positive number has two square roots, one positive, and one negative, which are opposite to each other.
text: Therefore, every number actually has two square roots.
text: Therefore, the number $i$ has two square roots (just like positive numbers do).