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Step * 1 of Lemma listid_cons_lemma


1. y : Top@i
2. x : Top@i
⊢ listid([x / y]) ~ [x / listid(y)]
BY
{ Try (RW (AddrC [1] (UnfoldC `listid` ANDTHENC ReduceC)) 0)⋅ }

1
1. y : Top@i
2. x : Top@i
⊢ [x / rec-case(y) of [] => [] | h::t => r.[h / r]] ~ [x / listid(y)]

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Latex:

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Latex:

1.  y  :  Top@i
2.  x  :  Top@i
\mvdash{}  listid([x  /  y])  \msim{}  [x  /  listid(y)]


By

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Latex:
Try  (RW  (AddrC  [1]  (UnfoldC  `listid`  ANDTHENC  ReduceC))  0)\mcdot{}

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