Step
*
of Lemma
CLK_ClockFun-eq2
∀[MsgType:ValueAllType]. ∀[f:CLK_headers_type{i:l}(MsgType)]. ∀[es:EO+(Message(f))]. ∀[e:E].
(CLK_ClockVal(MsgType;f)@e
= if e ∈b CLK_msg'base(MsgType;f)
then if first(e)
then imax(snd(CLK_msg'base(MsgType;f)@e);0) + 1
else imax(snd(CLK_msg'base(MsgType;f)@e);CLK_ClockVal(MsgType;f)@pred(e)) + 1
fi
if first(e) then 0
else CLK_ClockVal(MsgType;f)@pred(e)
fi
∈ ℤ)
BY
{ StartEmlProof }
1
1. MsgType : {T:Type| valueall-type(T)}
2. f : CLK_headers_type{i:l}(MsgType)
3. (f ``CLK msg``) = (MsgType × ℤ) ∈ Type
4. f ∈ Name ─→ Type
5. es : EO+(Message(f))
6. e : E
⊢ CLK_ClockVal(MsgType;f)@e
= if e ∈b CLK_msg'base(MsgType;f)
then if first(e)
then imax(snd(CLK_msg'base(MsgType;f)@e);0) + 1
else imax(snd(CLK_msg'base(MsgType;f)@e);CLK_ClockVal(MsgType;f)@pred(e)) + 1
fi
if first(e) then 0
else CLK_ClockVal(MsgType;f)@pred(e)
fi
∈ ℤ
Latex:
Latex:
\mforall{}[MsgType:ValueAllType]. \mforall{}[f:CLK\_headers\_type\{i:l\}(MsgType)]. \mforall{}[es:EO+(Message(f))]. \mforall{}[e:E].
(CLK\_ClockVal(MsgType;f)@e
= if e \mmember{}\msubb{} CLK\_msg'base(MsgType;f)
then if first(e)
then imax(snd(CLK\_msg'base(MsgType;f)@e);0) + 1
else imax(snd(CLK\_msg'base(MsgType;f)@e);CLK\_ClockVal(MsgType;f)@pred(e)) + 1
fi
if first(e) then 0
else CLK\_ClockVal(MsgType;f)@pred(e)
fi )
By
Latex:
StartEmlProof
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