Nuprl Definition : sym
13,42
postcript
pdf
basic
Sym(
T
;
x
,
y
.
E
(
x
;
y
)) ==
a
,
b
:
T
.
E
(
a
;
b
)
E
(
b
;
a
)
latex
clarification:
basic
Sym(
T
;
x
,
y
.
E
(
x
;
y
)) ==
a
:
T
,
b
:
T
.
E
(
a
;
b
)
E
(
b
;
a
)
latex
Up
rel
1
,
rel
1
Wellformedness Lemmas
sym
wf
,
sym
wf
Definitions
x
:
A
.
B
(
x
)
,
P
Q
FDL editor aliases
sym
origin
a, b:T. E(a;b) 
E(b;a)
a:T, b:T. E(a;b) E(b;a) a, b:T. E(a;b) E(b;a)
a:T, b:T. E(a;b) E(b;a) x:A. B(x) Q