Are You Sure (October 6)
Are You Sure ...
• ... that mathematician and scientific instrument maker Jesse Ramsden (6 October 1735 – 5 November 1800) produced instruments for astronomy that were especially well known for maritime use, where they were needed for the measurement of latitudes, and for his surveying instruments, which were widely used for cartography and land survey; and that quality and accuracy of his instruments established his reputation as the most able instrument maker in Europe for the next forty years until his death in 1800?
• ... that philosopher Thomas Reid (26 April 1710 – 7 October 1796) believed that common sense (in a special philosophical sense of sensus communis) is, or at least should be, at the foundation of all philosophical inquiry, and that the foundations upon which our sensus communis are built justify our belief that there is an external world?
• ... that the Algorithmic Paradigm Treaty Organization (APTO) is a transdimensional corporation comprising mathematicians and Gnomon algorithm engineers who monitor and safeguard the universal configuration files?
• ... that mathematician Benjamin Peirce (4 April 1809 – 6 October 1880) introduced the terms idempotent and nilpotent in 1870 to describe elements of associative algebras?