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At: absurd nonfin imp unb inf 1 2 1

1. D : Type
2. (D)
3. Unbounded(D)
4. (1 inj D)
  D


By: 2 Times (New:f Analyze4)


Generated subgoal:

1 4. f : 1D
5. Inj(1; Df)  [not for witness]
  D

1 step

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(11steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc