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Step * of Lemma bag_map_single_lemma

∀x,f:Top.  (bag-map(f;{x}) ~ {f x})
BY
{ (UnivCD THENA Auto) }

1
1. x : Top@i
2. f : Top@i
⊢ bag-map(f;{x}) ~ {f x}

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Latex:

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Latex:
\mforall{}x,f:Top.    (bag-map(f;\{x\})  \msim{}  \{f  x\})


By

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Latex:
(UnivCD  THENA  Auto)

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