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Step * 1 of Lemma church_null_nil_lemma

church-null() church-nil() ~ church-true()
BY
{ Try (RW (AddrC [1] (UnfoldsC ``church-null church-nil`` ANDTHENC ReduceC)) 0)⋅ }

1
church-true() ~ church-true()

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Latex:

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Latex:
church-null()  church-nil()  \msim{}  church-true()


By

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Latex:
Try  (RW  (AddrC  [1]  (UnfoldsC  ``church-null  church-nil``  ANDTHENC  ReduceC))  0)\mcdot{}

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