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Step * 1 of Lemma bag_size_single_lemma


1. x : Top@i
⊢ #({x}) ~ 1
BY
{ Try (RW (AddrC [1] (UnfoldsC ``bag-size single-bag`` ANDTHENC ReduceC)) 0)⋅ }

1
1. x : Top@i
⊢ 1 ~ 1

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Latex:

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Latex:

1.  x  :  Top@i
\mvdash{}  \#(\{x\})  \msim{}  1


By

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Latex:
Try  (RW  (AddrC  [1]  (UnfoldsC  ``bag-size  single-bag``  ANDTHENC  ReduceC))  0)\mcdot{}

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