Step of Proof: singleton_properties
12,41
postcript
pdf
Inference at
*
I
of proof for Lemma
singleton
properties
:
T
:Type,
a
:
T
,
x
:{
a
:
T
}.
x
=
a
latex
by ProvePropertiesLemma
latex
.
Definitions
t
T
,
x
:
A
.
B
(
x
)
,
{
a
:
T
}
Lemmas
singleton
wf
origin
T:Type, a:T, x:{a:T}. x = a
by ProvePropertiesLemma
. T:Type, a:T, x:{a:T}. x = a
by ProvePropertiesLemma
.
Tx:A. B(x)