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Generations of ReasonA Family's Search for Meaning in Post-Newtonian England$
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Joan L. Richards

Print publication date: 2021

Print ISBN-13: 9780300255492

Published to Yale Scholarship Online: May 2022

DOI: 10.12987/yale/9780300255492.001.0001

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Rearing Young Seedlings

Rearing Young Seedlings

(p.273) Chapter 18 Rearing Young Seedlings
Generations of Reason

Joan L. Richards

Yale University Press

The De Morgan family continued to grow with the addition of George Campbell in 1841; Edward Lindsey in 1843; Anne Isabella in 1845. As she was raising her brood, Sophia’s interest in larger forms of consciousness played out in the practice of mesmerism, which was in some ways a reaction against contemporary medical practice. Snug in his library, De Morgan wrapped up his investigations of algebra, and set out to incorporate logic into his literalist view of reason. He built on ideas of logic as reason that were first proposed by Richard Whately. William Whewell acted as a sounding board for his ideas, while the Scottish philosopher William Hamilton was a fierce opponent.

Keywords:   Medical practice, Mesmerism, De Morgan’s library, Literalist view of reason, Algebra, Logic, Sophia De Morgan, Augustus De Morgan, Richard Whately, William Whewell, William Hamilton (Scottish philosopher)

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