Step of Proof: squash_functionality_wrt_iff 9,38

Inference at * 
Iof proof for Lemma squash functionality wrt iff:


  P,Q:. {P  Q {(P (Q)} 
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 by InteriorProof ((((((((Unfold `guard` 0) 
CollapseTHENM (RepeatMFor 4 (D 0)))

CollapseTHENM (RepeCollapseTHENM (BLemma `squash_functionality_wrt_implies`))
CollapseTHENM (
CollapseTHENM (HypBackchain))
CollapseTHENA ((Auto_aux (first_nat 1:n) ((first_nat 1:n
CollapseTHENA ((Au),(first_nat 3:n)) (first_tok :t) inil_term))) 
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C.


Definitionst  T, , x:AB(x)
Lemmasiff wf

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