(13steps total) PrintForm Definitions Lemmas LogicSupplement Sections DiscrMathExt Doc
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At: decidable cand 1 1 1 1 1

1. P : Prop
2. Q : Prop(given P)
3. P
4. Dec(Q)
5. Q  Prop
6. P & Q
  Q


By: Analyze-1


Generated subgoals:

None

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isectmemberprop
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(13steps total) PrintForm Definitions Lemmas LogicSupplement Sections DiscrMathExt Doc