src/HOL/ex/Abstract_NAT.thy
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58888:9537bf1c4853 58889:5b7a9633cfa8
     1 (*  Title:      HOL/ex/Abstract_NAT.thy
     1 (*  Title:      HOL/ex/Abstract_NAT.thy
     2     Author:     Makarius
     2     Author:     Makarius
     3 *)
     3 *)
     4 
     4 
     5 header {* Abstract Natural Numbers primitive recursion *}
     5 section {* Abstract Natural Numbers primitive recursion *}
     6 
     6 
     7 theory Abstract_NAT
     7 theory Abstract_NAT
     8 imports Main
     8 imports Main
     9 begin
     9 begin
    10 
    10