Nuprl - Proof: hrep prod wd 1 1

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At: hrep prod wd 1 1

1. 'a : S
2. 'b : S

(

p:'a

'b.

a:'a.

b:'b. (a =

1of(p))

(b =

2of(p)))

rep:hprod('a; 'b)

hbool

((

p',p'':hprod('a; 'b). ((rep(p')) =

(rep(p'')))

(p' =

p''))

(

x:'a

hbool

(

((is_pair(x)) =

(

p':hprod('a; 'b). (x =

(rep(p'))))))))

By:	L Thm: rep prod axiom THEN StrongAuto THEN Try (Complete (Unfold `label` 0))

Generated subgoals:

None

About:

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