Step
*
of Lemma
bag-append-assoc-comm
∀[T:Type]. ∀[as,bs,cs:bag(T)]. ((as + bs + cs) = (bs + as + cs) ∈ bag(T))
BY
{ ((UnivCD THENA Auto) THEN (RWO "bag-append-assoc<" 0 THENM EqCD) THEN Auto) }
Latex:
Latex:
\mforall{}[T:Type]. \mforall{}[as,bs,cs:bag(T)]. ((as + bs + cs) = (bs + as + cs))
By
Latex:
((UnivCD THENA Auto) THEN (RWO "bag-append-assoc<" 0 THENM EqCD) THEN Auto)
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