Nuprl - Proof: iter via intseg comp binop 1 1 1

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At: iter via intseg comp binop 1 1 1

1. A : Type
2. f : A

A
3. u : A
4. is_commutative_sep(A; f)
5. is_ident(A; f; u)
6. is_assoc_sep(A; f)
7. a :

8. b : {...a}
9. {a..b

}

A
10. {a..b

}

f(u,u) = u

By:	BackThru: is_ident(A; f; u)

Generated subgoals:

None

About:

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