Nuprl Definition : assoc 13,42

basic
Assoc(T;op) == xyz:T. (x op (y op z)) = ((x op yop z
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clarification:

basic
Assoc(T;op) == x:Ty:Tz:T. (x op (y op z)) = ((x op yop z T 
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Upgen algebra 1
Wellformedness Lemmasassoc wf
Definitionsx:AB(x), x f y

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