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Definitions
automata
5
Sections
AutomataTheory
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At:
surj
is
inj
gen
1
1
1
1
1
1
1
1
1.
A:
Type
2.
B:
Type
3.
f:
A
B
4.
f1:
A
B
5.
g:
B
A
6.
InvFuns(A; B; f1; g)
7.
n:
8.
f2:
n
B
9.
g1:
B
n
10.
InvFuns(
n; B; f2; g1)
11.
b:
n
12.
a:
A
13.
f(a) = f2(b)
a:
n. (g1 o f o g o f2)(a) = b
By:
Witness (g1 o f1)(a)
Generated subgoal:
1
(g1 o f o g o f2)((g1 o f1)(a)) = b
About:
(g1 o f o g o f2)((g1 o f1)(a)) = b
BBA
nBnn; B; f2; g1)n 
a:n. (g1 o f o g o f2)(a) = b (g1 o f o g o f2)((g1 o f1)(a)) = b
