Nuprl - Proof: append split2 2 1

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At: append split2 2 1

1. T : Type
2. L : T List
3. P :

||L||

Prop
4.

x:

||L||. Dec(P(x))
5.

i,j:

||L||. P(i)

i<j

P(j)
6.

(

i:

||L||. P(i) & (

j:

i.

P(j)))

L = (L @ nil)

By:	Symmetry THEN BackThru Thm* as:T List. (as @ nil) = as

Generated subgoals:

None

About:

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(20steps total) PrintForm Definitions Lemmas mb list 1 Sections MarkB generic Doc