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Simon Spies
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aba0b1a7
Commit
aba0b1a7
authored
Aug 31, 2018
by
Ralf Jung
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theories/algebra/sts.v
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aba0b1a7
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@@ -31,7 +31,8 @@ Inductive step : relation (state sts * tokens sts) :=
tok
s1
∪
T1
≡
tok
s2
∪
T2
→
step
(
s1
,
T1
)
(
s2
,
T2
).
Notation
steps
:
=
(
rtc
step
).
Inductive
frame_step
(
T
:
tokens
sts
)
(
s1
s2
:
state
sts
)
:
Prop
:
=
(* Probably equivalent definition: (\mathcal{L}(s') ## T) ∧ s \rightarrow s' *)
(* Possible alternative definition: (tok s2) ## T) ∧ s \rightarrow s'.
This is not equivalent, but it might be good enough? *)
|
Frame_step
T1
T2
:
T1
##
tok
s1
∪
T
→
step
(
s1
,
T1
)
(
s2
,
T2
)
→
frame_step
T
s1
s2
.
Notation
frame_steps
T
:
=
(
rtc
(
frame_step
T
)).
...
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