Nuprl Basics - Proof: sfa doc sexpr fp 1

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At: sfa doc sexpr fp 1

1. A : Type
2. X : Sexpr(A)

(Sexpr(A)

Sexpr(A))+A

By:	AbRecTypeInd Hyp:-1

Generated subgoal:

1 2. Q : Sexpr(A)Prop
3. X:{X:Sexpr(A)| Q(X) }. X (Sexpr(A)Sexpr(A))+A
4. X : ({X:Sexpr(A)| Q(X) }{X:Sexpr(A)| Q(X) })+A
X (Sexpr(A)Sexpr(A))+A
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