Step
*
of Lemma
sq_stable__sublist
∀[T:Type]. ∀l1,l2:T List. ((∀x,y:T. Dec(x = y ∈ T))
⇒ SqStable(l1 ⊆ l2))
BY
{ (Auto
THEN Unfold `sq_stable` 0
THEN Auto
THEN (RWO "sublist-rec-iff-sublist" 0 THENA Auto)
THEN (RWO "sublist-rec-iff-sublist" (-1) THENA Auto)
THEN MoveToConcl (-1)
THEN Try (Fold `sq_stable` 0)
THEN Auto) }
Latex:
Latex:
\mforall{}[T:Type]. \mforall{}l1,l2:T List. ((\mforall{}x,y:T. Dec(x = y)) {}\mRightarrow{} SqStable(l1 \msubseteq{} l2))
By
Latex:
(Auto
THEN Unfold `sq\_stable` 0
THEN Auto
THEN (RWO "sublist-rec-iff-sublist" 0 THENA Auto)
THEN (RWO "sublist-rec-iff-sublist" (-1) THENA Auto)
THEN MoveToConcl (-1)
THEN Try (Fold `sq\_stable` 0)
THEN Auto)
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