Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: Bolzano's theorem | Statement: [Darboux's law of intermediate values, relatedTo, Bolzano's theorem]

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Bolzano's theorem
Triple: [Darboux's law of intermediate values, relatedTo, Bolzano's theorem]

Bolzano's theorem is a fundamental result in real analysis stating that a continuous function on a closed interval that takes values of opposite sign at the endpoints must have at least one root within that interval.