PrintForm Definitions automata 4 Sections AutomataTheory Doc

At: refine iso 1 1 1 1 1 1 2
1. Alph: Type
2. S1: Type
3. S2: Type
4. A1: Automata(Alph;S1)
5. A2: Automata(Alph;S2)
6. s:S1. l:Alph*. (Result(A1)l) = s
7. Con(A2)
8. LangOf(A1) = LangOf(A2)
9. A1 A2
10. A2 A1
11. f: S1Alph*
12. x:S1. (Result(A1)f(x)) = x

Surj(S1; S2; s.Result(A2)f(s))
By:
Unfold `surject` 0
THEN
Reduce 0
Generated subgoal:

113. b: S2
a:S1. (Result(A2)f(a)) = b

About:
lambdaapplyuniverseallexistslistequalfunction