(6steps total) PrintForm Definitions Lemmas SimpleMulFacts Sections DiscrMathExt Doc
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At: decidable prime 2 1

1. x:. Dec(prime(x))
2. x : 
  Dec(prime(x))


By: Decide: x<0


Generated subgoals:

1 3. x<0
  Dec(prime(x))

1 step
2 3. x<0
  Dec(prime(x))

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About:
intnatural_numberless_thanall
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(6steps total) PrintForm Definitions Lemmas SimpleMulFacts Sections DiscrMathExt Doc