Nuprl - Proof: xor vs neg n dec 1 1 2 1

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At: xor vs neg n dec 1 1 2 1

1. P : Prop
2. Q : Prop
3. P

Q
4.

(P & Q)
5. Q

P
6. P

Dec(P)

By:

Def

Generated subgoals:

None

About:

IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html