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At: decidable vs unique nsub2 1 1 1 1 2

1. P : Prop
2. P
  i:2. if i=0 P else P fi  i = 0  2


By: Auto THEN SplitITE Hyp:-1


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ifthenelsenatural_numberequalpropimpliesall
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(15steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc