Nuprl - Proof: int segs from base by upper ind 1 1 2

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At: int segs from base by upper ind 1 1 2

1. P :

Prop
2. a :

b:{...a}. P(a,b)
4.

b:{a+1...}. (

c:{a..b

}. P(a,c))

P(a,b)
5.

, b:{a...}. b-a

P(a,b)

b:{a...}. P(a,b)

By:	Auto THEN BackThru: Hyp:5 Using:[b-a]

Generated subgoals:

None

About:

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