Nuprl Definition : subgrp_p
13,42
postcript
pdf
s
SubGrp of
g
==
s
(e) & (
a
:|
g
|. (
s
(
a
))
(
s
(~(
a
)))) & (
a
,
b
:|
g
|. (
s
(
a
))
(
s
(
b
))
(
s
(
a
*
b
)))
latex
clarification:
s
SubGrp of
g
==
s
(e
g
)
==
& (
a
:|
g
|. (
s
(
a
))
(
s
((~
g
)(
a
))))
==
& (
a
:|
g
|,
b
:|
g
|. (
s
(
a
))
(
s
(
b
))
(
s
(
a
(*
g
)
b
)))
latex
Up
groups
1
Wellformedness Lemmas
subgrp
p
wf
Definitions
e
,
P
&
Q
,
~
,
x
:
A
.
B
(
x
)
,
|
g
|
,
P
Q
,
x
f
y
,
*
origin