thys/Recs.thy
2013-05-21 Christian Urban more about the UF
2013-05-16 Christian Urban completed coding functions
2013-05-15 Christian Urban added recusive functions that decode triangle numbers
2013-05-13 Christian Urban added
2013-05-10 Christian Urban added test version
2013-05-09 Christian Urban added lemmas about a pairing function
2013-05-02 Christian Urban polised a bit of the Recs-theory
2013-05-02 Christian Urban eliminated explicit swap_lemmas
2013-05-02 Christian Urban separated recursive functions and UF
2013-05-02 Christian Urban introduced rec_if
2013-05-01 Christian Urban started with UF
2013-04-30 Christian Urban added max and lg functions
2013-04-26 Christian Urban uodated
2013-04-25 Christian Urban added improved Recsursive function theory (not yet finished)
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