Item 124 - Letter from Augustus De Morgan

Identity area

Reference code

Add. MS a/202/124

Title

Letter from Augustus De Morgan

Date(s)

  • 3 Mar. 1851 (Creation)

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Item

Extent and medium

3 pp

Context area

Name of creator

Whewell, William (1794-1866), college head and writer on the history and philosophy of science
(1794-1866)

Repository

Trinity College Library, Cambridge

Archival history

Immediate source of acquisition or transfer

Content and structure area

Scope and content

7 Camdn. St. & T. - ADM sends an example 'of logical extravagance' to WW: 'If three points be taken on a straight line, in any order, these, lines being supposed to have their proper signs, we have in all cases AB=-BA, AB+BC=AC'. ADM gives all the ways A,B, B,C, compounded gives A,C.

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