Step
*
of Lemma
new_23_sig_rounds_pos
∀Cmd:ValueAllType. ∀notify,propose:Atom List. ∀f:new_23_sig_headers_type{i:l}(Cmd;notify;propose). ∀es:EO+(Message(f)).
∀e1:E. ∀n,round:ℤ.
  (round ∈ new_23_sig_NewRoundsState(Cmd;notify;propose;f) n(e1) 
⇒ (0 ≤ round))
BY
{ MemoryInvariant }
Latex:
Latex:
\mforall{}Cmd:ValueAllType.  \mforall{}notify,propose:Atom  List.  \mforall{}f:new\_23\_sig\_headers\_type\{i:l\}(Cmd;notify;propose).
\mforall{}es:EO+(Message(f)).  \mforall{}e1:E.  \mforall{}n,round:\mBbbZ{}.
    (round  \mmember{}  new\_23\_sig\_NewRoundsState(Cmd;notify;propose;f)  n(e1)  {}\mRightarrow{}  (0  \mleq{}  round))
By
Latex:
MemoryInvariant
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