Nuprl Lemma : xxsym_wf
13,42
postcript
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T
:Type,
E
:(
T
T
). sym(
T
;
E
)
latex
Up
gen
algebra
1
Definitions of Statement
sym(
T
;
E
)
Definitions
x
,
y
.
t
(
x
;
y
)
,
sym(
T
;
E
)
,
t
T
,
,
x
:
A
.
B
(
x
)
,
x
(
s1
,
s2
)
Lemmas
sym
wf
origin
T:Type, E:(T
T
). sym(T;E) 
T:Type, E:(TT). sym(T;E) 
x,y. t(x;y) Tx:A. B(x)