Difference between revisions of "Talk:Peano numbers"
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| − | Theoretically speaking, the numbers defined here are not Peano numbers. As far as I know it is difficult, if not impossible, to define inductive types in Haskell. The numbers here are more like co-inductive types. In particular, 'infinity' is 'allowed' as 'infinite lists' are 'allowed'. (Sorry for my imprecise languages.) People who are looking for formal, theoretical foundation should take this Wiki page with a pinch of salt. --[[User:Favonia|Favonia]] 21:34, 29 May 2011 (UTC) |
+ | Theoretically speaking, the numbers defined here are not Peano numbers. As far as I know it is difficult, if not impossible, to define inductive types in Haskell. The numbers here are more like co-inductive types. In particular, ''infinity'' is ''allowed'' as ''infinite lists'' are ''allowed''. (Sorry for my imprecise languages here.) People who are looking for formal, theoretical foundation should take this Wiki page with a pinch of salt. --[[User:Favonia|Favonia]] 21:34, 29 May 2011 (UTC) |
Revision as of 22:00, 29 May 2011
Theoretically speaking, the numbers defined here are not Peano numbers. As far as I know it is difficult, if not impossible, to define inductive types in Haskell. The numbers here are more like co-inductive types. In particular, infinity is allowed as infinite lists are allowed. (Sorry for my imprecise languages here.) People who are looking for formal, theoretical foundation should take this Wiki page with a pinch of salt. --Favonia 21:34, 29 May 2011 (UTC)