𝔖 Bobbio Scriptorium
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An unfound problem


Book ID
109752257
Publisher
Nature Publishing Group
Year
1988
Tongue
English
Weight
155 KB
Volume
331
Category
Article
ISSN
0028-0836

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By an unfounded chain for a function f : X β†’ X we mean a sequence (xn)n∈! of elements of X s.t. fxn+1 = xn for every n. Unfounded chains can be regarded as a generalization of ΓΏxed points, but on the other hand are linked with concepts concerning non-well-founded situations, as ungrounded sentences