Nuprl Lemma : eqv_mod_subset_wf
13,42
postcript
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g
:GrpSig,
s
:(|
g
|
),
a
,
b
:|
g
|.
a
b
(mod
s
in
g
)
latex
Up
groups
1
Definitions of Statement
a
b
(mod
s
in
g
)
Definitions
x
f
y
,
a
b
(mod
s
in
g
)
,
t
T
,
,
x
:
A
.
B
(
x
)
Lemmas
grp
sig
wf
,
grp
car
wf
,
grp
inv
wf
,
grp
op
wf
origin