(7steps total) Remark PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
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At: chessboard example 1

1. AH : Type
2. AH ~ 8
  (AH{1...8}) ~ 64


By: Rewrite by AH ~ 8


Generated subgoal:

1   (8{1...8}) ~ 64
5 steps

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(7steps total) Remark PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc