Step of Proof: fun_with_inv_is_bij
12,41
postcript
pdf
Inference at
*
I
of proof for Lemma
fun
with
inv
is
bij
:
A
,
B
:Type,
f
:(
A
B
),
g
:(
B
A
). InvFuns(
A
;
B
;
f
;
g
)
Bij(
A
;
B
;
f
)
latex
by ((UnivCD)
CollapseTHENA ((Auto_aux (first_nat 1:n) ((first_nat 1:n),(first_nat 3:n
C
)) (first_tok :t) inil_term)))
latex
C
1
:
C1:
1.
A
: Type
C1:
2.
B
: Type
C1:
3.
f
:
A
B
C1:
4.
g
:
B
A
C1:
5. InvFuns(
A
;
B
;
f
;
g
)
C1:
Bij(
A
;
B
;
f
)
C
.
Definitions
t
T
,
P
Q
,
x
:
A
.
B
(
x
)
,
Lemmas
inv
funs
wf
origin