Step
*
of Lemma
assert-bag-null-sq
∀bs:bag(Top). ((↑bag-null(bs))
⇒ (bs ~ {}))
BY
{ (Auto THEN (RWO "assert-bag-null" (-1) THEN Auto) THEN FLemma `equal-empty-bag` [-1] THEN Auto) }
Latex:
Latex:
\mforall{}bs:bag(Top). ((\muparrow{}bag-null(bs)) {}\mRightarrow{} (bs \msim{} \{\}))
By
Latex:
(Auto THEN (RWO "assert-bag-null" (-1) THEN Auto) THEN FLemma `equal-empty-bag` [-1] THEN Auto)
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