/usr/share/axiom-20170501/src/algebra/DSTRCAT.spad is in axiom-source 20170501-3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | )abbrev category DSTRCAT DesingTreeCategory
++ Authors: Gaetan Hache
++ Date Created: jan 1998
++ Date Last Updated: May 2010 by Tim Daly
++ Description:
++ This category is part of the PAFF package
DesingTreeCategory(S) : Category == SIG where
S : SetCategory
SIG ==> RecursiveAggregate(S) with
shallowlyMutable
finiteAggregate
tree : (S,List %) -> %
++ tree(nd,ls) creates a tree with value nd, and children ls.
tree : S -> %
++ tree(nd) creates a tree with value nd, and no children
tree : List(S) -> %
++ tree(l) creates a chain tree from the list l
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