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Step * 1 1 1 of Lemma bag_combine_empty_lemma


1. f : Top@i
⊢ {} ~ {}
BY
{ Try SqEqCD }

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Latex:

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Latex:

1.  f  :  Top@i
\mvdash{}  \{\}  \msim{}  \{\}


By

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Latex:
Try  SqEqCD

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