Nuprl - Proof: ma-single-effect1 wf 1 1 2 2

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At: ma-single-effect1 wf 1 1 2 2

1. x : Id
2. y : Id
3. k : Knd
4. A : Type
5. B : Type
6. T : Type
7. f : A

A
8.

y = x
9. s : State(x : A

y : B)
10. v : ma-valtype(k : T; k)
11. x : A

y : B(x)?Void = A
12. x : A

y : B(x)?Top = A

f(s(x),s(y),v)

x : A

y : B(x)?Void

By:	GenConcl (s(x) = z) THEN Try (Complete Auto)

Generated subgoals:

1   s(x)  A
1 step

2 13. z : A
14. s(x) = z  A
  f(z,s(y),v)  x : A  y : B(x)?Void
7 steps

About:

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

1	s(x) A	1 step
2	13. z : A 14. s(x) = z A f(z,s(y),v) x : A y : B(x)?Void	7 steps