Definitions prog 1 Sections StandardLIB Doc
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Some definitions of interest.
enum1Def enum1() == 3
Thm* enum1()  Type
enum1_el1Def enum1_el1 == 0
Thm* enum1_el1  enum1()
Thm* enum1_el1  
enum1_el2Def enum1_el2 == 1
Thm* enum1_el2  enum1()
Thm* enum1_el2  
enum1_el3Def enum1_el3 == 2
Thm* enum1_el3  enum1()
Thm* enum1_el3  

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intnatural_numberuniversemember!abstraction
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Definitions prog 1 Sections StandardLIB Doc