(18steps total) PrintForm Definitions NuprlPrimitives Sections NuprlLIB Doc
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At: sfa doc bool vs decidable 1 2 1 1 1
1. P : Prop
2. P  True
  P  P
By: Select: 1

Generated subgoal:

1   P
1 step

About:
natural_numberproportrue
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(18steps total) PrintForm Definitions NuprlPrimitives Sections NuprlLIB Doc