Nuprl Lemma : binrel_eqv_weakening
13,42
postcript
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T
:Type,
E
,
E'
:(
T
T
). (
E
=
E'
)
(
E
<
>{
T
}
E'
)
latex
Up
gen
algebra
1
Definitions of Statement
E
<
>{
T
}
E'
Definitions
t
T
,
E
<
>{
T
}
E'
,
P
Q
,
,
x
:
A
.
B
(
x
)
,
P
&
Q
,
True
,
T
,
P
Q
,
P
Q
Lemmas
true
wf
,
squash
wf
,
iff
wf
origin
T:Type, E, E':(T
T
). (E = E') 
(E <
>{T} E') T:Type, E, E':(TT). (E = E') (E <>{T} E') >{T} E'
T>{T} E' Qx:A. B(x)
T
Q Q