"It is not of the essence of mathematics to be conversant with the ideas of number and quantity"
About this Quote
The intent is bound up with Boole’s own project. In the mid-19th century, he was building what we now call Boolean algebra: a calculus of logic where symbols don’t stand for amounts but for classes, propositions, and the operations that combine them. His sentence is a preemptive defense against the skeptics who would dismiss this as philosophy in mathematical drag. He’s arguing that mathematics is, at bottom, a disciplined way of manipulating form and relation. Numbers are one successful application, not the job description.
The subtext also carries a cultural wager. Victorian science and industry prized quantification; “real” knowledge increasingly meant measurable knowledge. Boole’s line pushes back: rigor doesn’t require quantity, only structure. That’s why the quote still lands today, in an era where algorithms reason over categories, permissions, and truth values as often as they compute magnitudes. In a single, severe clause, Boole clears space for modern abstract mathematics and, unintentionally, for the logic underlying digital life.
Quote Details
| Topic | Reason & Logic |
|---|---|
| Source | Help us find the source |
| Cite | Cite this Quote |
Citation Formats
APA Style (7th ed.)
Boole, George. (2026, January 16). It is not of the essence of mathematics to be conversant with the ideas of number and quantity. FixQuotes. https://fixquotes.com/quotes/it-is-not-of-the-essence-of-mathematics-to-be-126097/
Chicago Style
Boole, George. "It is not of the essence of mathematics to be conversant with the ideas of number and quantity." FixQuotes. January 16, 2026. https://fixquotes.com/quotes/it-is-not-of-the-essence-of-mathematics-to-be-126097/.
MLA Style (9th ed.)
"It is not of the essence of mathematics to be conversant with the ideas of number and quantity." FixQuotes, 16 Jan. 2026, https://fixquotes.com/quotes/it-is-not-of-the-essence-of-mathematics-to-be-126097/. Accessed 3 Feb. 2026.




