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+[[!toc]]
+
+##More on evaluation strategies##
+
+Here are notes on [evaluation order] that make the choice of which
+lambda to reduce next the selection of a route through a network of
+links.
+
+
 ##Computing the length of a list##
 
 How could we compute the length of a list? Without worrying yet about what lambda-calculus implementation we're using for the list, the basic idea would be to define this recursively: