Step of Proof: ext-eq_wf
11,40
postcript
pdf
Inference at
*
I
of proof for Lemma
ext-eq
wf
:
A
,
B
:Type.
A
B
latex
by (Unfold `ext-eq` 0)
CollapseTHEN (Auto
)
latex
C
.
Definitions
A
B
,
P
&
Q
,
x
:
A
B
(
x
)
,
x
:
A
.
B
(
x
)
,
t
T
,
Type
Lemmas
subtype
rel
wf
origin
A, B:Type. A 
B 
by (Unfold `ext-eq` 0)
CollapseTHEN (Auto
)
C. A, B:Type. A B
by (Unfold `ext-eq` 0)
CollapseTHEN (Auto)
C. B
B(x)x:A. B(x) T