Def  A Discrete == x,y:A. Dec(x = y)

is mentioned by

Thm*  (A Discrete)  (e:(AA). IsEqFun(A;e))	[discrete_vs_bool2]
Thm*  (A Discrete)  (e:(AA). x,y:A. (x e y)  x = y)	[discrete_vs_bool]

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