Zone d'identification
Cote
Add. MS c/67/111
Titre
Letter from Augustus De Morgan to Robert Leslie Ellis
Date(s)
- 24 June 1854 (Production)
Niveau de description
Pièce
Étendue matérielle et support
1 folded sheet, 2 printed sheets
Zone du contexte
Nom du producteur
Histoire archivistique
Source immédiate d'acquisition ou de transfert
The offprint was the gift of Lady Jeffreys, July 1979.
Zone du contenu et de la structure
Portée et contenu
Offers a theorem for the four colour problem, which has become an axiom in his mind, an example of Whewell's latent axiom, things which are not at first credible but which settle down into first principles, asks for Ellis' thoughts.
Appraisal, destruction and scheduling
Accruals
System of arrangement
Zone des conditions d'accès et d'utilisation
Conditions d’accès
Conditions governing reproduction
Language of material
Script of material
Language and script notes
Caractéristiques matérielle et contraintes techniques
Finding aids
Zone des sources complémentaires
Existence and location of originals
Existence and location of copies
Related units of description
Zone des notes
Note
Accompanied by an offprint by Lady Jeffreys from the Mathematical Gazette 1979 with a letter to the editor referring to the proof in the letter.