Nuprl - Proof: decidable cand 1 2

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At: decidable cand 1 2

1. P : Prop
2. Q : Prop(given P)
3.

P
4. P

Dec(Q)

Dec(P & Q)

By:	At Prop Select: 2

Generated subgoal:

1 (P & Q)
2 steps

About:

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