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Step * 1 1 of Lemma bag_map_single_lemma


1. x : Top@i
2. f : Top@i
⊢ [f x] ~ {f x}
BY
{ Try (RW (AddrC [2] (UnfoldC `single-bag`)) 0)⋅ }

1
1. x : Top@i
2. f : Top@i
⊢ [f x] ~ [f x]

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Latex:

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Latex:

1.  x  :  Top@i
2.  f  :  Top@i
\mvdash{}  [f  x]  \msim{}  \{f  x\}


By

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Latex:
Try  (RW  (AddrC  [2]  (UnfoldC  `single-bag`))  0)\mcdot{}

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