Step of Proof: dep_ax_choice
12,41
postcript
pdf
Inference at
*
1
1
1
I
of proof for Lemma
dep
ax
choice
:
1.
A
: Type
2.
B
:
A
Type
3.
Q
:
x
:
A
B
(
x
)
Type
4.
g
:
x
:
A
y
:
B
(
x
)
Q
(
x
,
y
)
5.
x
:
A
Q
(
x
,(
g
(
x
)).1)
latex
by ((With
x
(D 4))
CollapseTHENA ((Auto_aux (first_nat 1:n) ((first_nat 1:n),(first_nat 4:n
C
)) (first_tok :t) inil_term)))
latex
C
1
:
C1:
6.
y
:
y
:
B
(
x
)
Q
(
x
,
y
)
C1:
7.
y
=
g
(
x
)
C1:
Q
(
x
,(
g
(
x
)).1)
C
.
Definitions
t
T
origin