Nuprl - Proof: decidable es-locl 1 1

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At: decidable es-locl 1 1

1. the_es : ES
2. WellFnd{i}(E;x,y.(x <loc y))
3. j : E
4.

k:E. (k <loc j)

(

e:E. Dec((e <loc k)))
5. first(j)
6. e : E

(e <loc j)

By:	BackThru Thm* the_es:ES, j,e:E. first(j) (e <loc j)

Generated subgoals:

None

About:

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