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At: decidable cand 1 1 1 1
1. P : Prop
2. Q : Prop given P
3. P
4. Dec(Q)
  Q  Prop
By: RenameVar `x' -2 THEN IsectHD x 2

Generated subgoals:

None

About:
decidableisectmemberprop
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(13steps total) PrintForm Definitions mb basic Sections MarkB generic Doc