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A cantor or chanter is a person who leads people in singing or sometimes in prayer. Cantor as a profession generally refers to those leading a Jewish congregation, although it also applies to the lead singer or choir director in Christian contexts. [1]

Georg Ferdinand Ludwig Philipp Cantor (/ ˈkæntɔːr / KAN-tor; German: [ˈɡeːɔʁk ˈfɛʁdinant ˈluːtvɪç ˈfiːlɪp ˈkantoːɐ̯]; 3 March [O.S. 19 February] 1845 – 6 January 1918 [1]) was a mathematician who played a pivotal role in the creation of set theory, which has …

The cantor is, after the rabbi, the most important figure in a Jewish worship service. A cantor not only must possess an excellent singing voice but also must know by heart long passages of Hebrew. Cantors such as Jan Peerce and Richard Tucker became international opera stars.

Feb 15, 2019 · In Judaism, a cantor — also known as a chazzan (חַזָּן‎), meaning "overseer" — is primarily known as someone who leads the congregation in prayer along with the rabbi, but the cantor has many additional roles (see below).

A cantor — hazzan (חזן) in Hebrew — is the person who chants worship services in the synagogue. Though the word is sometimes applied in a general way to anyone who leads services, it is more commonly used to denote someone who has completed professional musical training and been ordained as a cantor.

Feb 27, 2025 · Georg Cantor, German mathematician who founded set theory and introduced the mathematically meaningful concept of transfinite numbers, indefinitely large but distinct from one another. His work was fundamental to the development of function theory, analysis, and topology.

CANTOR definition: 1. an official of a Jewish synagogue (= religious building) who sings and leads prayers 2. someone…. Learn more.

Cantor, the chief singer (and sometimes instructor) of the ecclesiastical choir, called also precentor. His duties and qualifications have varied considerably according to time and place; but generally he must be ready to lead all the singing in church, to start any chant, and be watchful to prevent or correct mistakes of singers placed under him.

What is now known as Cantor’s theorem states generally that, for any set A, the power set of A(i.e. the set of all subsets of A) has a strictly greater cardinality than Aitself. More specificially, the power set of a countably infinite set is uncountably infinite.